SOLUTION: an electrical contractor purchased a certain amount of wire . 10 % of which was stolen . after using 90% of the remaining wire he had 47.25 m wire left . how much wire did he purch

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Question 1067579: an electrical contractor purchased a certain amount of wire . 10 % of which was stolen . after using 90% of the remaining wire he had 47.25 m wire left . how much wire did he purchase?
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
x length of original wire.

After theft, 0.9x of wire present.

Used 90% of 0.9x, so amount remaining was 0.10%2A0.9x=0.09x.
This quantity was 0.09x=47.25 meters.

x=47.25%2F0.09