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23-07-2018
Mathematics

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An electrician bought 80 feet of electrical wire and used 55 feet of it. What percent of the wire went unused?

Respuesta :

23-07-2018

Since 55 feet were used, then 80 - 55 = 25 feet was unused. To find the percentage, we take a fraction of the part over the whole

[tex] \frac{25}{80} = 31.25% [/tex]

So 31.25% of the wire is unused.

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