Question

The Ratio of cargo cars to passenger cars in the rail yard is 9:15 if the total numbers of cars is 72 how many cargo cars are there

Answer 1

27

Explanation:

9+15=24

72/24=3 so 1=3 and there are 9 cargo cars so 9*3=27

you can also check by doing 3*15=45 and 45+27=72 so this is correct