Chain Rule Practice Test 2 with solutions

Question : 27 of 40

Marks: +1, -0

An industrial loom weaves 0.128 metre of cloth every second. Approximately, how many seconds will it take for the loom to weave 25 meters of cloth?

Solution:

Cloth (m)	Time (s)
0.128	1
25	x

⇒

x/1

{25}/{0.128}

∴ x =

{25]/{0.128}

= 195 sec.

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