SOLUTION: How many pounds of hamburger that costs $1.60 per pound must be mixed with 70 pounds of hamburger that costs $2.10 per pound to make a mixture that costs $1.70 per pound.
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Question 176645: How many pounds of hamburger that costs $1.60 per pound must be mixed with 70 pounds of hamburger that costs $2.10 per pound to make a mixture that costs $1.70 per pound. Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! many pounds of hamburger that costs $1.60 per pound must be mixed with 70 pounds of hamburger that costs $2.10 per pound to make a mixture that costs $1.70 per pound.
:
let x = amt of $1.60 lb hamburger required
:
1.60x + 2.10(70) = 1.70(x+70)
:
1.6x + 147 = 1.7x + 119
:
147 - 119 = 1.7x - 1.6x
:
28 = .1x
x =
x = 280 lb of $1.60 to make 350 lb of $1.70 stuff
:
check:
1.6(280) + 2.1(70) = 1.7(350)
448 + 147 = 595
