SOLUTION: if a cost of a pretzel is 2.40 per pound and the cost of potato chips is 3.40 how many pounds of pretzel and how many pounds of potato chips should be used to make a 2pound blend t
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Question 173242: if a cost of a pretzel is 2.40 per pound and the cost of potato chips is 3.40 how many pounds of pretzel and how many pounds of potato chips should be used to make a 2pound blend that cost $3 per pound?
Found 2 solutions by Mathtut, stanbon:
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
lets call the the number of pounds of prezels p and the number of pounds of potato chips c=2-p because there are 2 pounds al together
:
2.4p+3.4(2-p)=3(2)
:
2.4p+6.8-3.4p=6
:
pounds of prezels
:
pounds of potato chips
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
if a cost of a pretzel is 2.40 per pound and the cost of potato chips is 3.40 how many pounds of pretzel and how many pounds of potato chips should be used to make a 2pound blend that cost $3 per pound?
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value + value = value
2.40t + 3.40z = 3*2
t + z = 2
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Simplify:
240t + 340z = 600
240t + 240z = 480
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Subtract 2nd from 1st to get:
100z = 120
z = (6/5) lbs (amt. of pretzels in the mix)
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Since t + z = 2
t+(6/5) = (10/5)t = 4/5 lbs (amt. of potato chips)
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Cheers,
Stan H.
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