Problema Solution
A sales woman sells a dried fruit mixture for $5.70 per pound and nuts for $14.65 per pound. She wants to blend the two to get a 15-lb mixture that she will sell for $9.28 per pound. How much of each should she use. Solve using matrices.
Answer provided by our tutors
Let
x = pound of the fruit mixture
15 - x = pounds of the nuts
5.70x + 14.65*(15 - x) = 9.28*15
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click here to see the equation solved for x
........
x = 9 lbs of fruit mixture
15 - 9 = 6 lbs of nuts
The woman should user 9 lbs of fruit mixture and 6 pounds of nuts.