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March 30, 2015

Homework Help: maths

Posted by ssssss on Monday, April 16, 2012 at 5:28am.

Xuan Yun has a total of 24 coins in her piggy bank. Some of them are twenty-cent coins and the others are fifty-cent coins. Thetotal savings is $6.90. How many twenty-cent and fifty-cent coins does she have?

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