Problema Solution
The manager of a candy shop sells chocolate covered peanuts for $9 per pound and chocolate covered cashews for $14 per pound. The manager wishes to mix 70 pounds of the cashews to get a cashew-peanut mixutre that will sell for %10 per pound. How many pounds of peanuts should be used?
Answer provided by our tutors
let 'x' represent the lbs of peanuts that should be used
14*70 + 9x = 10(70 + x)
by solving we find
x = 280 lbs
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280 pounds of peanuts should be used.