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April 21, 2014

Homework Help: math

Posted by Nicole on Monday, August 20, 2012 at 5:04pm.

For her vacation Mrs. Andrews bought $300 worth of traveler's checks in $10 and $20 denominations. If she has 22 travelers checks in all, how many of each denomination does she have?

Let x represent the number of $10 traveler's checks she has. Which expression represents the value of the $20 traveler's checks she has?

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