A motorist travelled 300 km at an average OF 75 km / h In and returned at an average speed of v km / b . if his average speed for the whole journey is 60km/h, find v?

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asked Jun 23, 2021 148k views

2 votes

A motorist travelled 300 km

at an average
OF 75 km / h In and returned at an average speed of v km / b . if his average speed for the whole journey is 60km/h, find v?

Mathematics
high-school

Harunurhan asked

by Harunurhan

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1 Answer

4 votes

Answer:

Explanation:

Total distance /total time=total speed

600÷60=10hrs

300÷75=4hrs

I0-4=6

V=300÷6=50km/h

E Ciotti answered Jun 27, 2021

by E Ciotti

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