Question

12% of the mammals at the aquarium are otters. 40% of the otters are male. what percent of the mammals at the aquarium are female otters?

Answer 1

7.2

Explanation:

AOPS

Answer 2

We know that:
- 12 % of the mammals are otters,
- 40 % of the otters are male ( it means that 60 % are female ):
0.12 * 0.6 = 0.072 = 7.2 %
Answer:
7.2 % of the mammals are female otters