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How much time would it take a student to run 10 km if the student runs the first 5 km at a speed of 10 km/h and the second 5 km at a speed of 8 km/h?
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40 votes
40 votes
How much time would it take a student to

run 10 km if the student runs the first 5
km at a speed of 10 km/h and the second
5 km at a speed of 8 km/h?

User Kashpatel
by
3.3k points

1 Answer

23 votes
23 votes
1.125 hours.

Speed = Distance/Time

Time = Distance/Speed

5/10=0.5

5/8=0.625

0.5+0.625=1.125 hours
User Phagun Baya
by
2.7k points
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