# Algebra

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A grocery store makes a 20-pound mixture of almonds and cashew nuts. The store charges \$4 per pound for almonds and \$5.50 per pound for cashews. The total value of the mixture is \$92. Write a system to find how many pounds of each type of nut are in the mixture.

• Algebra -

4 a + 5.5 c = 92
a + c = 20

4 a + 5.5 c = 92
4 a + 4 c = 80
------------------subtract
0 + 1.5 c = 12
c = 8

etc

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