A jogger runs 3km in 0.3hr, then 7km in 0.70hr what is the average speed of the jogger

10 km/hr

Explanation:

We are told that a jogger runs;

3km in 0.3 hr and

7 km in 0.7 hr

We are required to determine the average speed;

We need to know that average speed is given by;

Average speed = Total distance ÷ total time

In this case;

Total distance = 10 km ( 3km + 7 km)

Total time = 0.3 hr + 0.7 hr

                = 1 hr

Thus;

Average speed = 10 km ÷ 1 hr

                          = 10 km/hr

Therefore, the average speed of the jogger is 10 km/hr

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