Question
Mrs Zhang had some 20-cent and $1 coins in her jar. She had 20 more 20-cent coins than $1 coins. The total value of the coins was $10. What was the total number of coins that Mrs Zhang had in her jar?
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Mrs Zhang had some 20-cent and $1 coins in her jar. She had 20 more 20-cent coins than $1 coins. The total value of the coins was $10. What was the total number of coins that Mrs Zhang had in her jar?