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 IPart IIPart IIISpeed (kmph)987.5Time (minutes)5080100 What is the average speed of this runner?

A race has three parts. The speed and time required to complete the in

1.	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 IPart IIPart IIISpeed (kmph)987.5Time (minutes)5080100 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» C. 7.80 kmph

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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 IPart IIPart IIISpeed (kmph)987.5Time (minutes)5080100 What is the average speed of this runner?

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