Question

The ratio of surfers to swimmers at a beach is 1 to 5. The ratio of female swimmers to the total number of

swimmers is 4 to 15. If there are 60 female swimmers, how many surfers are there?

Answer 1

57 surfers

Explanation:

Use proportions to find the answer:

4/15 = 60/x to find amount of swimmers:

225 male swimmers

225+60 = 285 total swimmers

Find amount of surfers:

1/5 = x/285

57 surfers