Three months ago, santos could walk 2 miles in 40 minutes. today he can walk 2 miles in 25 minutes. find the percent of change and round to the nearest whole percent.

The answer is something i don’t know

This is what i found “answer: a rigid transformation preserves both the side lengths and the angle measures of a polygon. step-by-step explanation: rigid transformations are the transformations which does not affect the size and the shape of figure .” i hope this you for what your looking for. can you plz mark me brainliest?