Question

Alice logged 20% fewer airline miles in the second year of her job than she had during the first year. She then logged 8% more miles in her third year than in her second year. What was the total percent change in her miles logged from the first to the third year?

Answer 1

Let x be number of miles in first year then second year is 0.8x then third year is 1.08 multiplied by 0.8x. This gives 0.864x. Ie a decrease of 15.6 percent.

Answer 2

Oops make that a decrease of 13.6 percent.