Mathematics: In one day a movie store rented out 20 comedies. if the ratio of comedies rented to action movies rented was 4: 3, how many action movie were rented ?

In one day a movie store rented out 20 comedies.

Ответ:

sallylove03

31.12.2021

One way to solve is to set up a proportion. If the ratio of comedies to action is 4:3 (also can be written as the fraction 4/3) then you can set 4/3 equal to 20/x.

4/3 = 20/x

then cross multiply.

4·x = 3·20

4x = 60 Then divide both sides by 4

x= 15