A jogger covered a certain distance at some speed. Had he moved 3 km / hr faster, he would have taken 20 minutes less. If he had moved 1 km / hr slower, he would have taken 10 minutes more. What is the distance (in km) that he jogged?

A jogger covered a certain distance at some speed. Had he moved 3 km /

1.	A jogger covered a certain distance at some speed. Had he moved 3 km / hr faster, he would have taken 20 minutes less. If he had moved 1 km / hr slower, he would have taken 10 minutes more. What is the distance (in km) that he jogged?
A.	9
B.	10
C.	12
D.	8
Answer» D. 8

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A jogger covered a certain distance at some speed. Had he moved 3 km / hr faster, he would have taken 20 minutes less. If he had moved 1 km / hr slower, he would have taken 10 minutes more. What is the distance (in km) that he jogged?

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