Discussion
An industrial loom weaves 0.128 metres of cloth every second. Approximately, how many seconds will it take for the loom to weave 25 metres of cloth?
Answer: B
Divide the length required by the rate of weaving:
\[ t = \frac{25}{0.128} = 195.3 \text{ seconds} \]
so about 195 seconds.
A quick check on the size of the answer: at roughly 0.128 m per second the loom weaves a little under 8 metres per minute, so 25 metres must take somewhat over three minutes - which rules out both 250 and 844 immediately.
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