Money Math: Change and Discounts Quiz

To find the change, subtract the cost of the toy ($5.75) from the amount paid ($10). So, $10 - $5.75 = $4.25. Therefore, Sarah should get back $4.25.

To compare the prices, calculate the cost per pencil. For 3 pencils at $1.50, it's $0.50 each. For 5 pencils at $2.00, it's $0.40 each. Therefore, 5 pencils for $2.00 is the better buy.

To find the new price after a 25% discount on a $20 shirt, calculate 25% of $20, which is $5. Subtract this from the original price: $20 - $5 = $15. Thus, the new price of the shirt is $15.

Tom pays $20 for a book costing $8.50. To find the change, subtract the book price from the amount paid: $20 - $8.50 = $11.50. Therefore, the correct change he receives is $11.50.

To compare, 2 bags for $3.00 costs $1.50 per bag, while 4 bags for $5.00 costs $1.25 per bag. Therefore, 4 bags for $5.00 is the better buy.

To find the discounted price, calculate 10% of $50, which is $5. Subtract this from the original price: $50 - $5 = $45. Therefore, the discounted price is $45.

Lisa pays $10 for a sandwich costing $4.25. To find her change, subtract the sandwich price from the amount paid: $10 - $4.25 = $5.75. Therefore, she should get back $5.75.

To compare the prices, calculate the cost per apple. For 6 apples at $3.00, it's $0.50 each. For 10 apples at $4.50, it's $0.45 each. Therefore, 10 apples for $4.50 is the better buy.

To find the new price after a 20% discount on an $80 jacket, calculate 20% of $80, which is $16. Subtract this from the original price: $80 - $16 = $64. Thus, the new price is $64.

John pays $20 for a toy car costing $7.30. To find the change, subtract the cost from the amount paid: $20 - $7.30 = $12.70. Therefore, the correct change he receives is $12.70.