Question

An earlier version of a cell phone was 112 mm think. The current version is about 11% thinner. How thick is the newer version?

Answer 1

99.68 mm

Explanation:

Multiply 112 by 0.11 to get 12.31 as the 11% cut off. Subtract that number from 12.31 to get your final answer which is 99.68mm in which is that thick for the new version.