Question

A race has three parts. The speed and time required to complete the individual parts for a runner is displayed on the following chart:
Part I Part II Part III
Speed (kmph) 9 8 7.5
Time (minutes) 50 80 100
What is the average speed of this runner?

A) 8.17 kmph B) 8.00 kmph C) 7.80 kmph D) 7.77 kmph

Answer 1

Answer:

7.77 kmph

is your ans

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