Question

210 people work at an office 3/7 of workers are woman and 2/3 of the people are married.what is the maximum possible number of unmarried woman at the office?

Answer 1

In the office there are (3/7)(210) = 90 woman.

There are (1 - 2/3)(210) = 70 unmarried people.

It's possible all 70 of those unmarried people are women

Answer: 70