Question

last week a worm was 10 millimeters long. This week it is 13 millimeters long. What is the percent of increase of the worm's length from last week to this week?

Answer 1

% change = Difference/Original Value*100
= 13-10/10*100
= 3/10*100
= 30%

Answer 2

23% increase

Explanation:

13 - 10 = 3

3/13 = 0.2307 = 23%

Hope that helped!!! k