SOLUTION: 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

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Question 987012: 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. Can you explain how to do that.
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


, so and , the number of band posters remaining have to be in the same proportion as



Solve the proportion for and then calculate

John

My calculator said it, I believe it, that settles it