SOLUTION: A metal bar ten feet long weighs 128 pounds. What is the weight of a similar metal bar that is two feet four inches long?

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Question 997038: A metal bar ten feet long weighs 128 pounds. What is the weight of a similar metal bar that is two feet four inches long?

Found 2 solutions by rfer, stanbon:
Answer by rfer(16322)   (Show Source): You can put this solution on YOUR website!
10/128=2.33/x
10x=128*2.33
x=298.24/10
x=29.824lbs

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
A metal bar ten feet long weighs 128 pounds. What is the weight of a similar metal bar that is two feet four inches long?
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Use a proportion::
weight/length = weight/length
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w/(2 1/3 ft) = 128/(10 ft)
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w = (7/3)(128/10)
weight = 29.87 lbs
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Cheers,
Stan H.
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