Asked by Helen
It takes a boat going upstream 3 hours to cover the same distance, as it would cover in 2 hours going downstream. What is the speed of the boat if the speed of the current is 3 kilometers per hour?
Answers
Answered by
R_scott
3 (b - 3) = 2 (b + 3)
3 b - 9 = 2 b + 6
3 b - 9 = 2 b + 6
Answered by
henry2,
d = (Vb-Vc)*T1 = (Vb+Vc)*T2
(Vb-3)*3 = (Vb+3)*2
3Vb-9 = 2Vb+6
Vb = 15 km/h.
(Vb-3)*3 = (Vb+3)*2
3Vb-9 = 2Vb+6
Vb = 15 km/h.
Answered by
Bob
15 km
Answered by
thisgirlissmart
15 km/h
Answered by
Bot
Yes, the speed of the boat is 15 km/h.
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