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ICSE Class 7 Answered

A rider completes a certain journey in 20 hours. He covers half the distance at 30 km/hr and the rest at 70 km/hr. What is the total distance of the journey?
Asked by Topperlearning User | 10 Mar, 2014, 04:02: PM
answered-by-expert Expert Answer

Let the total distance of the journey = x km.

Then we have

Thus, the total distance of the journey is 840 km.

Answered by | 10 Mar, 2014, 06:02: PM

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