by Shadman & Evan.

Chapter 4 speaks about the applications about Growth & Decay.

Question #13—our question was:

A super bread dough increases in volume at a rate proportional to the volumeĀ VĀ present. IfĀ VĀ increases by a factor of 10 in 2 hours andĀ V.0/Ā DĀ V0, findĀ VĀ at any timeĀ t. How long will it take forĀ VĀ to increase toĀ 100V0?

Here is the video explanation via DropBox:

https://www.dropbox.com/sh/q0no50lxkeb586j/AABTYtmQ3Yf-UlVEkGvB4iEVa?dl=0