3.2 Exponential Growth and Decay: Quiz
Problem 1
A dissolving substance disappears at a rate proportional to the amount still undissolved. Suppose you start with 75 grams of the substance and after 2.5 minutes you have 60 grams left.
How much longer will it take until you have half (37.5 grams) remaining?
Answers, problem 1
12.109 minutes