7. John has two coupons to use at a clothing store. One is for $20 off and the other is for 20% off. John wants to purchase a shirt with one of the coupons and wants to pay the least amount that he can. Choose the answer that BEST describes the situation. * 1 point A. The shirt will have the lowest price with the $20 off coupon. B. The shirt will have the lowest price with the 20% off coupon. C. The shirt will cost the same with either coupon. D. It depends on the cost of the shirt as to which coupon will help John pay the lowest price.

Choice D. is the correct answer.

Step-by-step explanation:

Suppose there are two shirts: Shirt A costs $120 and shirt B costs $60. Let's try both coupons on each shirt:

For shirt A:

Using the $20 off coupon, he will pay $120 - $20 = $100

Using the 20% off coupon, he will pay $120 - 20*120/100 =$120 - $24 = $96

For this shirt, the 20% off coupon is the best choice.

For shirt B:

Using the $20 off coupon, he will pay $60 - $20 = $40

Using the 20% off coupon, he will pay $60 - 20*60/100 =$60 - $12 = $48

For this shirt, the $20 off coupon is the best choice.

It's clear that the best coupon to use depends on the cost of the shirt.

Choice D. is the correct answer.

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step-by-step explanation:

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