Let's solve each word problem step by step and explain the solution.
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Problem 1:
Bella made $750 in the month of May. She made twice that much in June, and in July made another $750. How much did she make from May to July?
Step-by-step Solution:
- May: $750
- June: Twice May’s amount → $750 × 2 = $1,500
- July: $750
Now add all three months:
$$
750 + 1,500 + 750 = 3,000
$$
✔ Answer: Bella made
$3,000 from May to July.
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Problem 2:
Carmel swims 1.5 km every day, except on the weekends when she takes a break. How far would she swim after 4 weeks?
Step-by-step Solution:
- A week has 7 days: 5 weekdays (Monday–Friday), 2 weekend days (Saturday–Sunday)
- Carmel swims only on
weekdays, so
5 days per week
- 4 weeks → 4 × 5 =
20 swimming days
- Each day she swims 1.5 km → Total distance:
$$
20 × 1.5 = 30 \text{ km}
$$
✔ Answer: Carmel would swim
30 km after 4 weeks.
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Problem 3:
A family of 6 goes to the movies: 2 adults and 4 children. It costs $22 for adult tickets and half that price for children. How much did the family pay to go to the movies?
Step-by-step Solution:
- Adult ticket: $22
- Child ticket: Half of $22 → $22 ÷ 2 = $11
- 2 adults: 2 × $22 = $44
- 4 children: 4 × $11 = $44
- Total cost: $44 + $44 = $88
✔ Answer: The family paid
$88.
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Problem 4:
Mandy took her final math test of the year. She got 8/10 in the test. What was her score as a percentage?
Step-by-step Solution:
To convert a fraction to a percentage:
$$
\frac{8}{10} = 0.8
$$
Now multiply by 100:
$$
0.8 × 100 = 80\%
$$
✔ Answer: Her score was
80%.
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✔ Final Answers:
1.
$3,000
2.
30 km
3.
$88
4.
80%
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Parent Tip: Review the logic above to help your child master the concept of 4 grade math worksheet you can print.