Basic printable consumer math worksheet | Consumer math, Math ... - Free Printable
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Step-by-step solution for: Basic printable consumer math worksheet | Consumer math, Math ...
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Show Answer Key & Explanations
Step-by-step solution for: Basic printable consumer math worksheet | Consumer math, Math ...
Let’s solve each problem step by step using the prices given:
Prices:
- hot dog = £1.00
- order of French-fries = £1.00
- hamburger = £2.00
- deluxe cheeseburger = £3.00
- cola = £1.00
- ice cream cone = £1.50
- milk shake = £2.50
- taco = £2.50
---
Problem 1:
David buys: taco (£2.50) + ice cream cone (£1.50) + hot dog (£1.00)
Total = 2.50 + 1.50 + 1.00 = £5.00
He had £10.00 → Left = 10.00 - 5.00 = £5.00
---
Problem 2:
Ice cream cone (£1.50) + hot dog (£1.00) + French-fries (£1.00) = £3.50
Sales tax = 5% of £3.50 = 0.05 × 3.50 = £0.175 → round to nearest penny? Usually in money, we keep two decimals. But let’s check if problems expect exact or rounded. Since all prices are in .00 or .50, maybe they want exact decimal.
Actually, 5% of 3.50 is 0.175 — but in real life, you’d pay £3.68 (rounded up). However, for school math at this level, sometimes they accept 3.50 + 0.175 = 3.675 → which is £3.68 when rounded.
But let’s see other problems — Problem 5 and 6 also have 5%. Let’s assume we calculate exactly and round to nearest penny.
So: 3.50 × 1.05 = 3.675 → £3.68
Wait — actually, let me double-check: 5% of 3.50 is 0.175, so total is 3.675. In UK currency, we round to nearest penny: 3.675 → 3.68 (since 0.5 rounds up).
But some teachers might want it as 3.67 or 3.68? Let’s be precise: 3.675 is closer to 3.68 than 3.67? Actually, standard rounding: look at third decimal — 5, so round up second decimal from 7 to 8 → yes, £3.68.
However, let’s hold off — maybe the worksheet expects us to not round until final answer? Or perhaps use fractions? No, better to go with decimal.
Actually, let’s recalculate all with exact values and then round only at end if needed.
But looking ahead — Problem 4 is just one item, no tax. So probably for tax problems, we compute total including tax.
I’ll proceed carefully.
Alternative approach: Maybe they expect us to do 5% as multiplying by 1.05 and keep two decimals.
Let’s do that consistently.
So for Problem 2: 3.50 × 1.05 = 3.675 → £3.68
But wait — let’s check Problem 5: deluxe cheeseburger (£3.00) + milk shake (£2.50) + hamburger (£2.00) = £7.50
5% tax: 7.50 × 1.05 = 7.875 → £7.88
Similarly, Problem 6: milk shake (£2.50) + hot dog (£1.00) + deluxe cheeseburger (£3.00) = £6.50
×1.05 = 6.825 → £6.83
Problem 8: ice cream cone (£1.50) + cola (£1.00) = £2.50
×1.05 = 2.625 → £2.63
Problem 9: deluxe cheeseburger (£3.00) + milk shake (£2.50) = £5.50
×1.05 = 5.775 → £5.78
Okay, I think we should round to nearest penny.
But let’s confirm with Problem 1 — no tax, straightforward.
Actually, let me list all answers now with careful calculation.
---
Problem 1:
taco (£2.50) + ice cream (£1.50) + hot dog (£1.00) = £5.00
£10.00 - £5.00 = £5.00
---
Problem 2:
ice cream (£1.50) + hot dog (£1.00) + fries (£1.00) = £3.50
Tax: 5% of 3.50 = 0.175 → total = 3.675 → £3.68
---
Problem 3:
deluxe cheeseburger = £3.00 (no tax mentioned)
---
Problem 4:
order of French-fries = £1.00
---
Problem 5:
deluxe cheeseburger (£3.00) + milk shake (£2.50) + hamburger (£2.00) = £7.50
Tax: 5% → 7.50 × 1.05 = 7.875 → £7.88
---
Problem 6:
milk shake (£2.50) + hot dog (£1.00) + deluxe cheeseburger (£3.00) = £6.50
Tax: 6.50 × 1.05 = 6.825 → £6.83
---
Problem 7:
fries (£1.00) + hot dog (£1.00) = £2.00
---
Problem 8:
ice cream (£1.50) + cola (£1.00) = £2.50
Tax: 2.50 × 1.05 = 2.625 → £2.63
---
Problem 9:
deluxe cheeseburger (£3.00) + milk shake (£2.50) = £5.50
Tax: 5.50 × 1.05 = 5.775 → £5.78
---
Problem 10:
Jackie buys hot dog (£1.00), had £5.00 → left = 5.00 - 1.00 = £4.00
---
Problem 11:
Amy buys: milk shake (£2.50) + deluxe cheeseburger (£3.00) + fries (£1.00) = £6.50
Had £10.00 → change = 10.00 - 6.50 = £3.50
---
Problem 12:
Paul wants fries = £1.00
---
Problem 13:
Michele: fries (£1.00) + ice cream (£1.50) = £2.50
---
Problem 14:
Jennifer: cola (£1.00) + ice cream (£1.50) + taco (£2.50) = £5.00
Had £10.00 → change = 10.00 - 5.00 = £5.00
---
Now, let me verify each again quickly:
1. 2.5+1.5+1=5; 10-5=5 ✔️
2. 1.5+1+1=3.5; 3.5*1.05=3.675→3.68 ✔️
3. 3.00 ✔️
4. 1.00 ✔️
5. 3+2.5+2=7.5; 7.5*1.05=7.875→7.88 ✔️
6. 2.5+1+3=6.5; 6.5*1.05=6.825→6.83 ✔️
7. 1+1=2 ✔️
8. 1.5+1=2.5; 2.5*1.05=2.625→2.63 ✔️
9. 3+2.5=5.5; 5.5*1.05=5.775→5.78 ✔️
10. 5-1=4 ✔️
11. 2.5+3+1=6.5; 10-6.5=3.5 ✔️
12. 1.00 ✔️
13. 1+1.5=2.5 ✔️
14. 1+1.5+2.5=5; 10-5=5 ✔️
All seem correct.
Final Answer:
1. £5.00
2. £3.68
3. £3.00
4. £1.00
5. £7.88
6. £6.83
7. £2.00
8. £2.63
9. £5.78
10. £4.00
11. £3.50
12. £1.00
13. £2.50
14. £5.00
Prices:
- hot dog = £1.00
- order of French-fries = £1.00
- hamburger = £2.00
- deluxe cheeseburger = £3.00
- cola = £1.00
- ice cream cone = £1.50
- milk shake = £2.50
- taco = £2.50
---
Problem 1:
David buys: taco (£2.50) + ice cream cone (£1.50) + hot dog (£1.00)
Total = 2.50 + 1.50 + 1.00 = £5.00
He had £10.00 → Left = 10.00 - 5.00 = £5.00
---
Problem 2:
Ice cream cone (£1.50) + hot dog (£1.00) + French-fries (£1.00) = £3.50
Sales tax = 5% of £3.50 = 0.05 × 3.50 = £0.175 → round to nearest penny? Usually in money, we keep two decimals. But let’s check if problems expect exact or rounded. Since all prices are in .00 or .50, maybe they want exact decimal.
Actually, 5% of 3.50 is 0.175 — but in real life, you’d pay £3.68 (rounded up). However, for school math at this level, sometimes they accept 3.50 + 0.175 = 3.675 → which is £3.68 when rounded.
But let’s see other problems — Problem 5 and 6 also have 5%. Let’s assume we calculate exactly and round to nearest penny.
So: 3.50 × 1.05 = 3.675 → £3.68
Wait — actually, let me double-check: 5% of 3.50 is 0.175, so total is 3.675. In UK currency, we round to nearest penny: 3.675 → 3.68 (since 0.5 rounds up).
But some teachers might want it as 3.67 or 3.68? Let’s be precise: 3.675 is closer to 3.68 than 3.67? Actually, standard rounding: look at third decimal — 5, so round up second decimal from 7 to 8 → yes, £3.68.
However, let’s hold off — maybe the worksheet expects us to not round until final answer? Or perhaps use fractions? No, better to go with decimal.
Actually, let’s recalculate all with exact values and then round only at end if needed.
But looking ahead — Problem 4 is just one item, no tax. So probably for tax problems, we compute total including tax.
I’ll proceed carefully.
Alternative approach: Maybe they expect us to do 5% as multiplying by 1.05 and keep two decimals.
Let’s do that consistently.
So for Problem 2: 3.50 × 1.05 = 3.675 → £3.68
But wait — let’s check Problem 5: deluxe cheeseburger (£3.00) + milk shake (£2.50) + hamburger (£2.00) = £7.50
5% tax: 7.50 × 1.05 = 7.875 → £7.88
Similarly, Problem 6: milk shake (£2.50) + hot dog (£1.00) + deluxe cheeseburger (£3.00) = £6.50
×1.05 = 6.825 → £6.83
Problem 8: ice cream cone (£1.50) + cola (£1.00) = £2.50
×1.05 = 2.625 → £2.63
Problem 9: deluxe cheeseburger (£3.00) + milk shake (£2.50) = £5.50
×1.05 = 5.775 → £5.78
Okay, I think we should round to nearest penny.
But let’s confirm with Problem 1 — no tax, straightforward.
Actually, let me list all answers now with careful calculation.
---
Problem 1:
taco (£2.50) + ice cream (£1.50) + hot dog (£1.00) = £5.00
£10.00 - £5.00 = £5.00
---
Problem 2:
ice cream (£1.50) + hot dog (£1.00) + fries (£1.00) = £3.50
Tax: 5% of 3.50 = 0.175 → total = 3.675 → £3.68
---
Problem 3:
deluxe cheeseburger = £3.00 (no tax mentioned)
---
Problem 4:
order of French-fries = £1.00
---
Problem 5:
deluxe cheeseburger (£3.00) + milk shake (£2.50) + hamburger (£2.00) = £7.50
Tax: 5% → 7.50 × 1.05 = 7.875 → £7.88
---
Problem 6:
milk shake (£2.50) + hot dog (£1.00) + deluxe cheeseburger (£3.00) = £6.50
Tax: 6.50 × 1.05 = 6.825 → £6.83
---
Problem 7:
fries (£1.00) + hot dog (£1.00) = £2.00
---
Problem 8:
ice cream (£1.50) + cola (£1.00) = £2.50
Tax: 2.50 × 1.05 = 2.625 → £2.63
---
Problem 9:
deluxe cheeseburger (£3.00) + milk shake (£2.50) = £5.50
Tax: 5.50 × 1.05 = 5.775 → £5.78
---
Problem 10:
Jackie buys hot dog (£1.00), had £5.00 → left = 5.00 - 1.00 = £4.00
---
Problem 11:
Amy buys: milk shake (£2.50) + deluxe cheeseburger (£3.00) + fries (£1.00) = £6.50
Had £10.00 → change = 10.00 - 6.50 = £3.50
---
Problem 12:
Paul wants fries = £1.00
---
Problem 13:
Michele: fries (£1.00) + ice cream (£1.50) = £2.50
---
Problem 14:
Jennifer: cola (£1.00) + ice cream (£1.50) + taco (£2.50) = £5.00
Had £10.00 → change = 10.00 - 5.00 = £5.00
---
Now, let me verify each again quickly:
1. 2.5+1.5+1=5; 10-5=5 ✔️
2. 1.5+1+1=3.5; 3.5*1.05=3.675→3.68 ✔️
3. 3.00 ✔️
4. 1.00 ✔️
5. 3+2.5+2=7.5; 7.5*1.05=7.875→7.88 ✔️
6. 2.5+1+3=6.5; 6.5*1.05=6.825→6.83 ✔️
7. 1+1=2 ✔️
8. 1.5+1=2.5; 2.5*1.05=2.625→2.63 ✔️
9. 3+2.5=5.5; 5.5*1.05=5.775→5.78 ✔️
10. 5-1=4 ✔️
11. 2.5+3+1=6.5; 10-6.5=3.5 ✔️
12. 1.00 ✔️
13. 1+1.5=2.5 ✔️
14. 1+1.5+2.5=5; 10-5=5 ✔️
All seem correct.
Final Answer:
1. £5.00
2. £3.68
3. £3.00
4. £1.00
5. £7.88
6. £6.83
7. £2.00
8. £2.63
9. £5.78
10. £4.00
11. £3.50
12. £1.00
13. £2.50
14. £5.00
Parent Tip: Review the logic above to help your child master the concept of consumer math worksheet 12th grade.