Problema Solution
a grocer wants to mix peanuts and cashews to produce 20lbs of mixed nuts worth $6.20 per pound. How many of each kind should he use if peanuts cost $4.80 per pound and cashews cost $8 per pound?
Answer provided by our tutors
let
p = lbs of peanuts used
c = lbs of cashews used
a grocer wants to mix peanuts and cashews to produce 20 lbs of mixed nuts worth $6.20 per pound:
p + c = 20
4.80p + 8c = 6.20*20
by solving the above system of equations we find:
p = 11.25 lbs
c = 8.75 lbs
click here to see the step by step solution of the system of equations:
The grocer should use 11.25 pounds od peanuts and 8.75 pounds of cashews.