Question
Olivia had some 20-cent and 50-cent coins which added up to $21.20. She had 15 more 20-cent coins than 50-cent coins. How many 20-cent coins did she have?
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Olivia had some 20-cent and 50-cent coins which added up to $21.20. She had 15 more 20-cent coins than 50-cent coins. How many 20-cent coins did she have?