Question

Four sisters bought a present for their mother. They received a 15% discount on the original price of the gift. After the discount was taken, each sister paid $10.20. What was the original price of the gift?
$35.48
$48.00
$28.80
$40.80

Answer 1

Let x = original price
Solve the equation

x - x*15/100 = 10.20

Answer 2

after you solve for x, multiply this by 4 to get the total price