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A person travels from C to D. One third of the time travels at v1 = 42km/h, the rest of the time travels at v2 = 36km/h. Find his average speed as he travels from C to D.
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A person travels from C to D. One third of the time travels at v1 = 42km/h, the rest of the time travels at v2 = 36km/h. Find his average speed as he travels from C to D.

User Ibamboo
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1 Answer

5 votes

Answer:39km/h

Explanation:we know V=(u+v)/2. Here is u=42 and v=36

User Aaron Rotenberg
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