Question

Luis has $12 and wants to buy 6.6 pounds of apples. Apples cost $1.80 per pound. Luis rounded each value and estimated that he does not have enough money to cover the cost of the apples before sales tax is applied. Which best explains how his estimate relates to the actual product?
Because each value rounds up, his estimate is higher than the actual product. He might have enough money to buy the apples.
Because each value rounds up, his estimate is higher than the actual product. He does not have enough money to buy the apples.
Because each value rounds up, his estimate is lower than the actual product. He does not have enough money to buy the apples.
Because each value rounds up, his estimate is lower than the actual product. He might have enough money to buy the apples.

Answer 1

Given : Luis has $12 and wants to buy 6.6 pounds of apples. Apples cost $1.80 per pound. Luis rounded each value and estimated that he does not have enough money to cover the cost of the apples before sales tax is applied.

To Find :  Which best explains how his estimate relates to the actual product?

Because each value rounds up, his estimate is higher than the actual product. He might have enough money to buy the apples.

Because each value rounds up, his estimate is higher than the actual product. He does not have enough money to buy the apples.

Because each value rounds up, his estimate is lower than the actual product. He does not have enough money to buy the apples.

Because each value rounds up, his estimate is lower than the actual product. He might have enough money to buy the apples.

Solution:

Luis has = 12 $    Already rounded off

wants to buy 6.6 pounds of apples.

= 7 pounds when  rounded off

Apples cost $1.80 per pound

= $ 2 when per pound  when  rounded off

7 * 2 = 14 > 12  

Hence not enough money to cover the cost of the apples

7 > 6.6

2 > 1,8

each value rounds up,

Hence estimate id higher than actual

so he might have enough money

Because each value rounds up, his estimate is higher than the actual product.  He might have enough money to buy the apples.

Actually

6.6 * 1.8  = 11.88 $ required

Hence Luis has enough Money to cover the cost of the apples

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