Chain Rule Practice Test 1 with solutions

Question : 21 of 40

Marks: +1, -0

Sixty meters of a uniform wire weighs 80 kg. What will 141 meters of the same wire weigh?

Solution:

Weight of 60 meters wire = 80 kg
Weight of 1 meter wire =

{82}/{60}

Weight of 141 meters wire =

{80}/{60} × 141

= 187.99 ≈ 188 kg

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