SOLUTION: Chris prepares a 10-pound mixture of cashews and peanuts. He paid $18 for the cashews and $14 for the peanuts. If cashews cost three times more than peanuts, than how many pounds o

Question 282327: Chris prepares a 10-pound mixture of cashews and peanuts. He paid $18 for the cashews and $14 for the peanuts. If cashews cost three times more than peanuts, than how many pounds of cashews did he use?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
Chris prepares a 10-pound mixture of cashews and peanuts. He paid $18 for the cashews and $14 for the peanuts. If cashews cost three times more than peanuts, than how many pounds of cashews did he use?
Let peanuts cost x per pound
cashews will cost 3x per pound
No. of pounds of peanuts he bought 14/x
No of pounds of cashews he bought = 18/3x
14/x + 18/3x =10
42+18 / 3x=10
60 = 30x
x=2 cost per pound of peanuts
3x= 3*2 = 6 will be the cost of cahsews
So he bought 18/6 = 3 pounds of cashews.

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