Problema Solution
the manager of a coffee shop has one type of coffee that he sells for $6 per pound and another type that he sells for $14 per pound. the manager wishes to mix 30 pounds of the $14 coffee to get a mixture that will sell for $12 per pound. how many pounds of the $6 coffee should be used?
Answer provided by our tutors
let
x = lbs of the $6 per pound coffee
30*14 + x*6 = 12(30 + x)
by solving we find:
x = 10 lbs
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10 pounds of the $6 coffee should be used.