Question
Sabrina had some 20-cent and 50-cent coins which added up to $20.90. She had 10 more 20-cent coins than 50-cent coins. How many 20-cent coins did she have?
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Sabrina had some 20-cent and 50-cent coins which added up to $20.90. She had 10 more 20-cent coins than 50-cent coins. How many 20-cent coins did she have?