Question
Gwen had some 10-cent and 50-cent coins which added up to $20.60. She had 20 more 10-cent coins than 50-cent coins. How many 10-cent coins did she have?
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Gwen had some 10-cent and 50-cent coins which added up to $20.60. She had 20 more 10-cent coins than 50-cent coins. How many 10-cent coins did she have?