By using the 20 percent off coupon that she found in the newspaper, Jill saved $4 on the extra large bag of dog food that she bought.

Percents
Total
20%
20%
20%
20%
20%
100%
$4
$4
$4
$4
$4

What was the cost of the bag of dog food without the coupon?
$8
$12
$16
$20

Question

By using the 20 percent off coupon that she found in the newspaper, Jill saved $4 on the extra large bag of dog food that she bought.

Percents
Total
20%
20%
20%
20%
20%
100%
$4
$4
$4
$4
$4

What was the cost of the bag of dog food without the coupon?
$8
$12
$16
$20

Mercury · Answer

her 20% off coupon saved her $4
that means 20% of the price without the coupon is $4
if we let x = the price without the coupon, then

0.20x = 4

can you try solving for x?