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Mathematics, 11.12.2019 19:31 hasshh

Acollector has 120 movie posters and 90 band posters. she wants to sell 40 movie posters but still have her poster collection maintain the same ratio of 120: 90. if she sells 40 movie posters, how many band posters should she sell? complete the explanation to find out how many band posters she should sell.

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