Question

1. there are 16 bacteria in a beaker. four hours later there are 228 bacteria in the beaker. what is the rate of change per hour in the number of bacteria?

Explanation:

Step1: Find total change in bacteria

The initial number of bacteria is 16 and the final number is 228. The total change is $228 - 16=212$.

Step2: Calculate rate of change per hour

The time - interval is 4 hours. The rate of change per hour is $\frac{212}{4}$.
$ \frac{212}{4}=53$.

Answer:

53