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

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

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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) (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
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