intermediate algebra
posted by Anonymous .
Oh Nuts! sells pistachio kernels for $6.50 per pound and almonds for $8.00 per pound. How much of each type should be used to make a 50lb mixture that sells for $7.40 per pound?

x = no. lbs of 6.50 nuts
6.50x = value of 6.50 nuts
50  x = no. lbs of 8.00 nuts
8.00(50  x) = value of 8.00 nuts
7.40(50) = value of mixture
6.50x + 8.00(50  x) = 7.40(50)
Solve for x, lbs of 6.50 nuts
50  x = lbs of 8.00 nuts
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