Question

The rainfall total this year was 10.2 inches, which is 20% less than last year's rainfall total. What was last year's rainfall total?

Answer 1

Answer: 12.75 inches

Step-by-step explanation:

Let x represent last year's rainfall.

Multiply by 0.8 since this year was 20% less.

x(0.8)= 10.2

x = 12.75