SOLUTION: At the nut house ,a pound of cashews sells for $6.00 per pound and a pound of peanuts sells for $3 per pound. If we want to make a mixture of 3lbs at $5. How many pounds of cashews
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Question 907405: At the nut house ,a pound of cashews sells for $6.00 per pound and a pound of peanuts sells for $3 per pound. If we want to make a mixture of 3lbs at $5. How many pounds of cashews must you use? Answer by richwmiller(17219) (Show Source):
You can put this solution on YOUR website! x+y=3,
6*x+3*y=15
x=3-y
6*(3-y)+3*y=15
18-6y+3*y=15
-3*y=-3
y=1
x=3-y
x=2 lbs at $6 and y=1 lb at $3
check
2+1=3
6*x+3*y=15
6*2+3*1=15
12+3=15
15=15
ok
