Question
Mrs Yang had some 50-cent and $1 coins in her bag. She had 12 more 50-cent coins than $1 coins. The total value of the coins was $9. What was the total number of coins that Mrs Yang had in her bag?
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Mrs Yang had some 50-cent and $1 coins in her bag. She had 12 more 50-cent coins than $1 coins. The total value of the coins was $9. What was the total number of coins that Mrs Yang had in her bag?