Mixed nuts. Oh Nuts! sells pistachio kernels for $6.50 per pound and almonds for $8.00 per pound. How much of each type should be used to make a 50-lb mixture that sells for $7.40 per pound?

2 answers

let the amount of pistastio be x
let the amount of almonds be 50-x

solve
6.5x + 8(50-x) = 7.4(50)
X= $20