A car can cover a distance of 42 km in 7 hours. By how much the speed has to be increased to cover the same distance in 6 hours?

A car can cover a distance of 42 km in 7 hours. By how much the speed

1.	A car can cover a distance of 42 km in 7 hours. By how much the speed has to be increased to cover the same distance in 6 hours?
A.	7.5 km/h
B.	5 km/h
C.	1 km/h
D.	8 km/h
Answer» D. 8 km/h

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A car can cover a distance of 42 km in 7 hours. By how much the speed has to be increased to cover the same distance in 6 hours?

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