Question

There are 600 people in a concert hall. 2/5 of them are teenagers. 3/8 of the teenagers are girls. How many teenage girls are there in the concert hall?

Answer 1

There would be 90 girls in the concert hall.

Answer 2

There are 90 teenage girls in the concert hall.
2/5 x 600 = 240
3/8 x 240 = 90