# Algebra

Steve and Belinda are selling pies for a school fundraiser. Customers can buy apple pies and cherry pies.
John sold 3 apple pies and 9 cherry pies for a total of \$183.
Belinda sold 6 apple pies and 13 cherry pies for a total of \$276.
What is the cost each of one apple pies and cherry pies ?

1. 3 a + 9 c = 183
6 a + 13 c = 276

multiply first equation by 2

6 a + 18 c = 366
6 a + 13 c = 276
---------------- subtract
5 c = 90
c = 18
etc

posted by Damon

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