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 volume V present. If V increases by a factor of 10 in 2 hours and V.0/ D V0, find V at any time t. How long will it take for V to increase to 100V0?
Here is the video explanation via DropBox: