Friday

December 26, 2014

December 26, 2014

Posted by **Meshelle** on Tuesday, March 3, 2009 at 7:56pm.

takes 5 hr. Find the speed of the boat in still water

- math 116 -
**drwls**, Tuesday, March 3, 2009 at 8:28pmThe downstream speed with respect to land is V+6 and the upstream speed is V-6, where V is the speed in still water.

Let the distance be D

D/(V+6) = 4 hrs

D/(V-6) = 5

4(V+6) = 5(V-6)

V = 54 mph

**Answer this Question**

**Related Questions**

Algebra - Cody’s motorboat took 3 hr to make a trip downstream with a 6-mph ...

Algebra - 5.) A boat makes a trip downstream in 5 hours. The return trip against...

Algebra 2 - 5.) A boat makes a trip downstream in 5 hours. The return trip ...

word problem - A motor boat took 4 hours to make a downstream trip with a ...

algebra - A boat on a river travels downstream between two points, 70 mi apart, ...

Math - Julie and Eric row their boat (at a constant speed) 21 miles downstream ...

Math - A boat crew rowed 20 miles downstream, with the current, in 2hours. The ...

Help...More Math Help!!!...Please! - A kayaker paddled 2 hours with a 6 mph ...

alegra. - A boat cruises 36 miles against a 3 mph current and 36 miles back in ...

Algebra - on a canoe trip, Rita paddled upstream (against the current) at an ...