Problema Solution
how many pounds of coffee worth $1.44 a pound should be mixed with 20 pounds worth $1.80 a pound to produce a mixture worth $1.56 a pound
Answer provided by our tutors
Let x = number of pounds of $1.44 coffee 1.44x + 20(1.80) = (x + 20)1.56 1.44x +36 = 1.56x + 31.20 1.44x + 4.80 = 1.56x 4.8 = .12x
x = 40 lbs.