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July 3, 2015

Homework Help: intermediate algebra

Posted by jr on Wednesday, August 22, 2012 at 12:42pm.

joe has a collection of nickles and dimes that is worth $3.95. if the number of dimes was doubled and the number of nickles was increased by 21, the value of the coins would be $8.40. How many nickles and dimes does he have? show all your work.
help me please

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