Problema Solution
Find the cost per pound of a coffee mixture made from 8 lb of coffee that costs $9.30 per pound and 12 lb of coffee that costs $5.50 per pound.
Answer provided by our tutors
let x = the cost of the coffee (from the mixture) per pound
9.30*8 + 5.50*12 = x*(8 + 12)
by solving we find
x = $7.02 per pound
click here to see the step by step solution of the equation
the cost of the mixture is $7.02 per pound.