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Let’s go through each question one by one, using the menu prices given.

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Question 1: Brendan orders an egg muffin and a tea. How much does his order cost?

From the menu:
- Egg Muffin = $11.50
- Tea = $2

Add them:
$11.50 + $2.00 = $13.50

✔ Brendan’s order costs $13.50.

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Question 2a: Ruby orders spaghetti and a soft drink. How much does her order cost?

From the menu:
- Spaghetti = $16.50
- Soft drinks = $1.50

Add them:
$16.50 + $1.50 = $18.00

✔ Ruby’s order costs $18.00.

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Question 2b: Draw coins to show how she could give five exact amount for her meal.

Ruby needs to pay exactly $18.00. Since we’re drawing coins (not bills), let’s think in terms of Australian coin denominations (since the menu uses dollars and cents like AU currency):

Common coins: $2, $1, 50c, 20c, 10c, 5c.

To make $18.00 with coins only (though unusual, but possible):

One way:
- Nine $2 coins → 9 × $2 = $18.00

That’s simple! So you’d draw nine $2 coins.

Alternatively, if they want variety:
- Eight $2 coins ($16) + two $1 coins = $18 → still 10 coins total.
But simplest is nine $2 coins.

✔ She can use nine $2 coins to make exactly $18.

*(Note: In real life, people usually use notes for amounts over $10, but since the question says “coins”, we’ll stick to that.)*

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Question 3: Joe and David go out for breakfast. Joe orders cereal and a coffee. David orders pancakes and a milkshake. How much more does David spend than Joe?

First, find Joe’s total:
- Cereal = $5.50
- Coffee = $3.00
→ Joe: $5.50 + $3.00 = $8.50

Now David’s total:
- Pancakes = $8.50
- Milkshake = $3.50
→ David: $8.50 + $3.50 = $12.00

Now subtract Joe’s from David’s:
$12.00 - $8.50 = $3.50

✔ David spends $3.50 more than Joe.

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Question 4: Neil orders two puddings and a tea. He pays with a $20 note. How much change should he receive?

Pudding = $4.50 → Two puddings = 2 × $4.50 = $9.00
Tea = $2.00
Total cost = $9.00 + $2.00 = $11.00

He pays with $20.00
Change = $20.00 - $11.00 = $9.00

✔ Neil gets $9.00 back.

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Question 5: Jane has $10 to spend on lunch. What could she buy and how much change will she receive?

We need to pick items from Lunch/Dinner or Breakfast under $10 total.

Example combination:
- Burger = $13.50 → too expensive alone.
Wait — look at cheaper options:

Breakfast:
- Cereal = $5.50
- Eggs on toast = $10.00 → exactly $10, no change.

Lunch/Dinner:
- Caesar salad = $12.00 → too big
- Steak sandwich = $12.00 → too big
- Spaghetti = $16.50 → too big

Drinks are cheap, but she wants lunch.

What about:
- Eggs on toast = $10.00 → buys this, gets $0 change.

Or maybe:
- Cereal ($5.50) + Tea ($2.00) = $7.50 → change = $2.50

Or:
- Pancakes ($8.50) + Tea ($2.00) = $10.50 → over budget ✘

Best valid option within $10:
→ Eggs on toast for $10.00 → change = $0

OR

→ Cereal ($5.50) + Coffee ($3.00) = $8.50 → change = $1.50

Either works. Let’s pick one clear answer.

✔ Jane could buy eggs on toast for $10.00 and get $0 change.
OR she could buy cereal and coffee for $8.50 and get $1.50 change.

(We’ll give one full answer.)

Final choice:
She buys eggs on toast for $10.00 → receives $0 change.

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Question 6: Mrs Lacey is buying lunch for her four children. She has $50. What can she buy her children?

She has $50 for 4 kids → average $12.50 per child.

Look at Lunch/Dinner prices:
- Fish & chips = $14 → too expensive per kid? Maybe not all same.
- Burger = $13.50
- Caesar salad = $12
- Steak sandwich = $12
- Spaghetti = $16.50

Drinks add extra.

Try mixing:

Option 1: All have Caesar salads + soft drinks
Caesar salad = $12 → 4 × $12 = $48
Soft drink = $1.50 → 4 × $1.50 = $6
Total = $54 → over $50 ✘

Option 2: Mix meals

Say:
- 2 kids get Caesar salad ($12 each) → $24
- 2 kids get steak sandwich ($12 each) → $24
Total food = $48
Then add drinks? No room.

Without drinks: 4 × $12 = $48 → leaves $2 unused.

Can she include drinks?

Maybe:
- 3 kids get Caesar salad ($12 × 3 = $36)
- 1 kid gets burger ($13.50) → total food = $49.50
Leftover = $0.50 → not enough for any drink.

Still okay — she didn’t say she must buy drinks.

Another idea:
- 2 kids get fish & chips ($14 × 2 = $28)
- 2 kids get caesar salad ($12 × 2 = $24) → total = $52 → over ✘

How about:
- 4 kids get burgers? 4 × $13.50 = $54 → over ✘

Cheapest lunch item: Caesar salad or steak sandwich at $12.

So best fit: Buy 4 lunches at $12 each = $48 → fits in $50.

She can buy four Caesar salads (or four steak sandwiches) for $48 total, leaving $2 unspent.

If she wants to add drinks, she might do:

Buy 3 Caesar salads ($36) + 1 steak sandwich ($12) = $48
Then use remaining $2 to buy one soft drink? But she has 4 kids — can’t split drink fairly.

Better to keep it simple.

✔ Mrs Lacey can buy each child a Caesar salad (or steak sandwich) for $12 each → total $48 → she has $2 left over.

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Final Answers Summary:

1. $13.50
2a. $18.00
2b. Nine $2 coins (or equivalent coin combo totaling $18)
3. $3.50
4. $9.00
5. Example: Eggs on toast for $10.00 → $0 change
6. Four Caesar salads (or steak sandwiches) for $48 total → $2 left

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Final Answer:
1. $13.50
2a. $18.00
2b. Nine $2 coins
3. $3.50
4. $9.00
5. Eggs on toast for $10.00 → $0 change
6. Four Caesar salads for $48 → $2 left