A boy travels with a speed v1 for first half of the journey distance and with a speed v2 for the next half of journey distance. Find the average speed of the boy.
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Find an answer to your question a car travels with speed v1 for the ... of distance and with a speed of v3 for remaining journey distance. ... V1+V2+V3 / 3 is the answer.
V1+V2+V3 / 3 is the answer
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