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October 20, 2014

October 20, 2014

Posted by **Mary** on Monday, December 17, 2007 at 7:00am.

- Math -
**drwls**, Monday, December 17, 2007 at 7:17amTry $8.75

One way to get the answer is to work the problem backwards. He must have had $5 when entering the third store. How much would he have had when entering the second store? Call that x.

x + x - 10 = 5

x = $7.50

Now do it one more time.

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