A collector has 100 movie posters and 80 band posters. She wants to sell 20 movie posters but still have her poster collection m

Question

3 years ago

6

A collector has 100 movie posters and 80 band posters. She wants to sell 20 movie posters but still have her poster collection m

aintain the same ratio of 100:80. If she sells 20 movie posters, how many band posters should she sell? Complete the explanation to find out how many band posters she should sell

Mathematics

1 answer:

Andrew [12] · Answer 1 · 2021-11-13T15:26:16+03:00

Andrew [12]3 years ago

5 0

100:80=5/4
100-20:?=5/4 or 80:?=5/4
80/5=16
16*4=64
80:64

80-64=16
16 band posters.