Question
Cathy and Betty have some coins. If Cathy gives 39 coins to Betty, Betty will have 4 times the number of coins as Cathy. If Betty gives 15 coins to Cathy, Cathy will have 25 as many coins as Betty. How many coins does Cathy have at first?
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Cathy and Betty have some coins. If Cathy gives 39 coins to Betty, Betty will have 4 times the number of coins as Cathy. If Betty gives 15 coins to Cathy, Cathy will have 25 as many coins as Betty. How many coins does Cathy have at first?