Question

1. abe has a coupon for bread: buy one loaf, get the second free. a loaf of bread costs $2.50. if abe buys two loaves of bread, what is the price after using the coupon?

$1.25
$2.50
$3.75
$5.00

1. a box of 64 crayons costs $4.99. what is the unit cost of each crayon?

$0.07
$0.06
$0.08
$0.10

Explanation:

Question 7

Step1: Understand the coupon

The coupon is "Buy one loaf, get the second free". So for two loaves, Abe pays for 1 loaf.

Step2: Calculate the total price

A loaf costs $2.50. So for two loaves with the coupon, he pays $2.50 (for the first) + $0 (for the second) = $2.50.

Step1: Recall unit cost formula

Unit cost = Total cost / Number of units.

Step2: Substitute values

Total cost is $4.99, number of crayons is 64. So unit cost = $4.99 / 64 ≈ $0.078, which is approximately $0.08? Wait, no, $4.99 ÷ 64 ≈ 0.078, which is closer to $0.08? Wait, no, 64 0.07 = 4.48, 64 0.08 = 5.12. Wait, $4.99 is between 4.48 and 5.12. Wait, 4.99 / 64 ≈ 0.078, which is approximately $0.08? Wait, no, the options are $0.07, $0.06, $0.08, $0.10. Wait, 64 0.07 = 4.48, 64 0.08 = 5.12. $4.99 is closer to 5.12, so 4.99 / 64 ≈ 0.078, which is approximately $0.08? Wait, no, maybe I miscalculated. Wait, 4.99 divided by 64: 640.07 = 4.48, 4.99 - 4.48 = 0.51, 0.51 / 64 ≈ 0.0079, so total is 0.07 + 0.0079 ≈ 0.0779, which is approximately $0.08? Wait, but the option is $0.07? Wait, no, maybe the question is using approximate. Wait, 4.99 is almost 5, so 5 / 64 ≈ 0.078, which is approximately $0.08. But the options: $0.07, $0.06, $0.08, $0.10. So the closest is $0.08? Wait, no, 640.07 = 4.48, 64*0.08=5.12. $4.99 is closer to 5.12, so 4.99/64≈0.078, which is approximately $0.08. But wait, maybe the problem expects 4.99 divided by 64, let's calculate it: 4.99 ÷ 64 = 0.07796875, which is approximately $0.08. So the answer is C. $0.08? Wait, but the options are: $0.07, $0.06, $0.08, $0.10. So the correct answer is C. $0.08? Wait, no, maybe I made a mistake. Wait, 64 crayons cost $4.99, so per crayon is 4.99/64 ≈ 0.078, which is ~$0.08. So the answer is C. $0.08.

Answer:

B. $2.50

Question 8