Question

A scientist places 20 mg of bacteria in a culture for an experiment and he finds that the mass of the bacteria triples every day.

a.)Each day that passes, the mass of bacteria in the culture changes by what percent?

Answer 1

Answer: 300%

Explanation:

Multiplying something by 3 is the same as 300% of that number

20 x 3 = 60

60 = 300% x 20