Question

the expression P -15 is the amount you pay after using the coupon on a purchase of P dollars how much do you pay for a purchase of $83 pls help

Answer 1

68 Dollars

Explanation:

Discount is 15 dollars

Total purchase if P dollars

Our expression given P - 15

Our total cost that takes P's place

83 - 15 = 68 dollars

Answer 2

It has been given that P - 15 is the amount paid after using a coupon on a purchase amount of P dollar.

So, 15$ is the coupon discount.

So now we have the following:

Actual Price: P$

Discount : 15$

So for a purchase of 83$, you will have to pay:

83 - 15 = 68$ [Substituting P with 83]