Question

A collector has 120 movie posters and 100 band posters she wants to sell 24 movie posters but still have her poster collection maintain the same ratio of 120 to 100 if she sells 24 movie posters how many band posters should she’s sell

Answer 1

They should sell 20 band posters.

Explanation:

24 is 1/5 of 120 so we must find what 1/5 of 100 is.

it is 20.