Question
Risa had five times as many coins as Gabby. After Gabby bought another 72 coins, Gabby had 2 times as many coins as Risa. How many coins did Risa have?
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Risa had five times as many coins as Gabby. After Gabby bought another 72 coins, Gabby had 2 times as many coins as Risa. How many coins did Risa have?