SOLUTION: Hector bought mixed peanuts and cashews He bought 5 pounds of cashews for 9.00 a pound. the cost of the peanuts is 40% of the cashews. Hector bought enough peanuts to make a mixt

Algebra ->  Equations -> SOLUTION: Hector bought mixed peanuts and cashews He bought 5 pounds of cashews for 9.00 a pound. the cost of the peanuts is 40% of the cashews. Hector bought enough peanuts to make a mixt      Log On


   



Question 825565: Hector bought mixed peanuts and cashews He bought 5 pounds of cashews for 9.00 a pound. the cost of the peanuts is 40% of the cashews. Hector bought enough peanuts to make a mixture that costs 5.76 a pound. What percentage was the peanuts in the mixture?
40%
50%
60%
70%
80%

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
5*9+.4*9*x=5.76*(5+x),
z=100*x/(x+5)
x=7.5 pounds of peanuts, z=60 percent
peanuts cost 3.60 per pound