Thursday

October 23, 2014

October 23, 2014

Posted by **CINDY** on Thursday, December 21, 2006 at 2:21am.

Let v be the speed of the current. The boat's speed upstream (relative to the land) is 15-v and the speed downstream is 15+v. The total trip time is

35/(15-v) + 35/(15 + v) = 4.8 (hours)

Solve for the single unknown, v.

- UPSTREAM -
**Anonymous**, Saturday, September 17, 2011 at 4:16pm900

**Answer this Question**

**Related Questions**

Maths - A river flows at 3km/h. At what speed must a boat travel in order to ...

math - A boat travels 8km upstream and back in 2 hours. If the current flows at ...

word problem - 2. The excursion boat Holiday travels 35km upstream and then back...

Algebra 2 - A boat travels 60 km upstream and back again in 8 hours. If the ...

algebra-NOW PLEASE - A boat is traveling in a river with a current that has a ...

Physics - A boat must cross a 260-m-wide river and arrive at a point 110 ...

algebra - a boat goes 16 Km upstream and 24 Km downstream in 6hrs.it can go 12Km...

algebra - a boat goes 16 Km upstream and 24 Km downstream in 6hrs.it can go 12Km...

physics - A boat’s speed in still water is vBW = 1.85 m/s. If the boat is to ...

math - A boat takes 90 minutes less to travel 36 km downstream then to travel ...