Question

180 people in a cinema
3/5 are adults
1/4 are female
How many of the adults are female?

Answer 1

1 way
the nootebook
180 * 3/5 = 108
108 * 1/4 = 27
.....................................................

Woman is an adult

1. We compute how many adults
$180 * \frac{3}{5} = \frac{180*3}{5} = \frac{540}{5} = 108$

2 1/4 of adults are women

108 * 1/4 = 28

Answer 27
............................................................

2 way
the nootebook
180 * 3/5*1/4 = 27

Answer 2

Your answer is 27.

Hope this helps.