A boat takes 14 minutes to travel 8.4 km upstream. If the ratio of the speed of the boat to that of the stream is 6 ∶ 1, then how much time (in minutes) will the boat take to travel 33.6 km downstream?

A boat takes 14 minutes to travel 8.4 km upstream. If the ratio of the

1.	A boat takes 14 minutes to travel 8.4 km upstream. If the ratio of the speed of the boat to that of the stream is 6 ∶ 1, then how much time (in minutes) will the boat take to travel 33.6 km downstream?
A.	30
B.	40
C.	45
D.	36
Answer» C. 45

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A boat takes 14 minutes to travel 8.4 km upstream. If the ratio of the speed of the boat to that of the stream is 6 ∶ 1, then how much time (in minutes) will the boat take to travel 33.6 km downstream?

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