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Advocard [28]
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]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.
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