Posted by **Wen** on Tuesday, September 20, 2011 at 4:06pm.

A motorboat can maintain a constant speed of 24 mph relative to the water. The boat makes a trip upstream to a certain point in 62 minutes. the return trip takes 34 minutes. What is the speed of the current?

- algebra -
**Henry**, Wednesday, September 21, 2011 at 8:02pm
d1 = d2,

(24-Vc)1.0333 = (24+Vc)0.5666,

24.8 - 1.033Vc = 13.6 + 0.5666Vc,

-1.0333Vc -0.5666Vc = 13.6 -24.8,

-1.6Vc = -11.2,

Vc = 7mi/h.

d1 = Distance upstream.

d2 = Distance downstream.

Vc = Velocity of the current.

## Answer This Question

## Related Questions

- algebra - a motorboat can maintain a constant speed of 11 miles per hour ...
- Algebra - A motorboat can maintain a constant speed of 26 miles per hour ...
- NEED HELP!! ALGEBRA - A motorboat can maintain a constant speed of 26 miles per ...
- college algebra - A boat can maintain a constant speed of 34 mph relative to the...
- math - A motorboat can maintain a constant speed of 16 miles per hour relative ...
- math - A motorboat can maintain a constant speed of 16 miles per hour relative ...
- Math - This is also another problem that I'm having trouble on. A motorboat can...
- Maths - A river flows at 3km/h. At what speed must a boat travel in order to ...
- algebra - While preparing for a kayak race, Marta practiced on a local river. On...
- physics - Two boat landings are 8.0 km apart on the same bank of a stream that ...

More Related Questions