A man walks 7.5 km at a speed of 3 km/h. At what speed would the man need two walk during the next 2 h to have an average of 4 km/h for the entire session ?

A man walks 7.5 km at a speed of 3 km/h. At what speed would the man n

1.	A man walks 7.5 km at a speed of 3 km/h. At what speed would the man need two walk during the next 2 h to have an average of 4 km/h for the entire session ?
A.	3.65 km/h
B.	4.75 km/h
C.	5.25 km/h
D.	6.50 km/h
Answer» D. 6.50 km/h

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A man walks 7.5 km at a speed of 3 km/h. At what speed would the man need two walk during the next 2 h to have an average of 4 km/h for the entire session ?

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