A cashew and raisin mixture costs $2 per pound. You buy a 4.5,pound mixture of cashews and raisins. If cashews cost $2.50 per pound and raising cost $1.25 per pound, how many pounds of cashews and how many pounds of raisins make up the mixture?

Answer 1

amount of cashews --- x lbs
amount of raisins ---- 4.5 - x lbs

2.5x + 1.25(4.5-x) = 2(4.5)