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September 20, 2014

Homework Help: Math

Posted by Cat on Friday, January 18, 2013 at 1:57am.

On a Christmas package, Audrey needs to use only 40-cent stamps and 16-cent stamps. If she uses twice as many 40-cent stamps as 16-cent stamps, how many of each type of stamp must she use to mail a package costing $5.76 in postage?

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