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OpenStudy (anonymous):
You have 16 coins that are heads up and 18 coins that are tails up. After you add some coins that are tails up, the ratio of heads up to tails up is 1 to 1.5 How many coins are tails up? How many coins in all?
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OpenStudy (anonymous):
you have 16 coins head up, and once you add the others there will be one and a half times as many tails up, i.e. there will be 24 tails up. you start with 18 tails up so you have to add how many more to make 24?
OpenStudy (anonymous):
6 more coins.
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