Question
Joelle has five times as many marbles as Kathy. After Kathy has bought another 72 marbles, Kathy has twice as many marbles as Joelle. How many marbles does Kathy have at first?
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Joelle has five times as many marbles as Kathy. After Kathy has bought another 72 marbles, Kathy has twice as many marbles as Joelle. How many marbles does Kathy have at first?