Problema Solution
An electrician has three boxes of wire left: one full box, one half box, and one box that is just one third full. She estimates that she will need 450 feet of wire to finish today’s job. To the nearest ten feet, how many feet of wire need to be in a full box in order for her to have enough?
Answer provided by our tutors
Let 'x' represent the length of the wire in feet in full box.
x + (1/2)x + (1/3)x = 450
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click here to see the equation solved for x
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x = 250 ft to the nearest ten feet
250 feet of wire need to be in a full box.