Question

jun uses a 20%-off coupon to by the ingredents for congee. she spends $40. what is the regular price r of the ingredeints before the discount

Answer 1

$50

Explanation:

Make the equation where x is the original price:

x - 0.2x = 40

Combine like terms

0.8x = 40

Divide both sides by 0.8

40/0.8 = 50