SOLUTION: a piece of a cable 180 feet long costs $67.50. How much will 500 feet cost at the same unit price?
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Question 852120: a piece of a cable 180 feet long costs $67.50. How much will 500 feet cost at the same unit price?
Answer by LinnW(1048) (Show Source): You can put this solution on YOUR website!
67.50/180 = dollars per foot
= $0.375 per foot
500 * 0.375 = $187.50
Another way to solve is by proportion.
divide by 180
, x = 187.50
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