Question
For construction, a certain amount of wire was being shipped, out of which 10% was stolen. After using 85% of the remainder, 472.5 m of wire was left. How much wire was initially shipped?
Answer: Option D
:
D
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:
D
Take a middle answer option and verify the answers.
Initial = 3500
Amount left after being stolen =0.9×3500=3150
Amount left =15% of 3150=472.5
2nd method:- Let the total length of original wire = x
Remaining wire =100%−10% (Stolen wire)=90% . After using 85% of remaining wire, 15% of remaining wire was left.
15% of 90% 0f x=472.5
0.135 of x=472.5⇒x=3500.
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