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 120:100. If she sells 24 movie posters, how many band posters should she sell? Explain?

Question

Mathematics

Christopher Roth

11 January, 23:29

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 120:100. If she sells 24 movie posters, how many band posters should she sell? Explain?

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Answers (1)

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Ean · Answer 1

The ratio is 120:100.

If we simplify we get 6:5

If she sells 24, she needs to sell 24/6 x 5 to keep the ratio the same.

24/6 = 4

4 x 5 = 20

20 band posters must be sold.