Homework Help: science

Posted by linds on Tuesday, February 7, 2012 at 4:15pm.

Danny sails a boat downstream. The wind pushes the boat along at 21 km/hr. The current runs downstream at 15 km/hr. What is the actual velocity of the boat

science - Henry, Thursday, February 9, 2012 at 6:53am
Vb + Vc = 21 km/h,
Vc = 15 km/h,
Vb + 15 = 21,
Vb = 21 - 15 = 6 km/h = Velocity of boat.

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