Question

ASAP

With the 20% off coupon, Alexis receive the discount of $15 on her shoes. What was the regular price of her shoes before the 20% off coupon was applied ? Justify your answer using equations, models, and or words to explain your mathematical reasoning.

Answer 1

To get the the cost of how much Alexis is paying we first have to find the original cost and then subtract the $15 which is equal to 20% of the original number.

To find the original price you take the $15 and divide it by .20

15÷.20= 75

To get the original price of a percentage you do the opposite of if you were trying to find the % for example :

75 x .20 = 15
15 ÷ .20 =75

The original price is $75

75 - 15 = 60

With the discount it is $60

I hope it helped

Answer 2

Well, because we know that he got $15 off, and it was a 20% coupon, we turn the 20% into a 5 instead of .5. We do this so we can multiply to find the total.

$15 x 5 = 75

If you type into your calculator $75 - 20%, you will get 60 which is 15 less than 75.

So the total is $75

Have a super day!