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July 30, 2015

Homework Help: Intermediate Algebra

Posted by Chanelle on Tuesday, January 29, 2013 at 10:42am.

Suppose that Maria has 140 coins consisting of pennies, nickels, and dimes. The number of nickels she has is 12 less than twice the number of pennies; the number of dimes she has is 22 less than three times the number of pennies. How many coins of each kind does she have?

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