math
posted by Samantha .
The Nuthouse offers a mixture of soy nuts and almonds. Almonds sell for $7 per pound and soy nuts sell for $5.50 per pound. The Nuthouse will make 20 pounds of the mixed nuts and sell the mixture for $5.95 per pound. The following equations represent the problem of keeping the cost of the mixture consistent with the ingredients.
x + y = 20.
7x + 5.5y = 119.
x = pounds of almonds and y = pounds of soy nuts.
How many pounds of soy nuts should be used in the mixture?

math 
Reiny
just solve the two equations.
I would use y = 20x from the first and sub it into the 2nd
let me know what you get
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