Question

The ratio of adults to students on the field trip is 3 to 5. If there are 15 students on the field trip, how many adults are there?

Answer 1

There are 9 adults

Explanation:

3:5 = x:15

3/5 = x/15

3(15) = 5x

5x = 45

x = 9 adults

3:5 = 9:15