Question #ae84e

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Question #ae84e

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Answer 1 · 2016-10-18T08:17:14

The distance travelled is 80km.

Explanation:

The speed of the helicopter is 240kmph, that is, it travels 240km in one hour.

Since one hour comprises 60 minutes, that can also be understood as 240km in 60 minutes.

Now 20 minutes is $\frac{1}{3} r d$ $1/3rd$ of 60 minutes, so it means that in $\frac{1}{3} r d$ $1/3rd$ of 60 minutes, the helicopter will travel $\frac{1}{3} r d$ $1/3rd$ of 240km.

$240 \times \frac{1}{3} = 80$ $240 xx 1/3= 80$

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