Wednesday

August 27, 2014

August 27, 2014

Posted by **ashley** on Sunday, September 16, 2012 at 8:41pm.

- math -
**Reiny**, Sunday, September 16, 2012 at 8:43pmso the effective rate = 12-5 or 7 mph

time = 23/7 = 3.2857 hrs

= 3 hrs and appr 17 minutes

**Related Questions**

Algebra - A kayak moves at a rate of 10 mph in still water. If the river's ...

maths - If a kayak moves at a rate of 12 mph in still water If the river's ...

math - a kayak travels 15/h in still water and if the current flows at a rate a ...

math - A speedboat moves at a rate of 21 km/hr in still water. How long will it ...

algebra - A speedboat moves at a rate of 21 km/hr in still water. How long will ...

Math - A boat crew rowed 20 miles downstream, with the current, covered the same...

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

Algebra(urgent) - a boat moves through still wather at x kilometers(km) per hour...

math urgent - a motorboat takes 4 hrs to travel 256 miles going upstream. the ...

Math - A boat moves 7 kilometers upstream in the same amount of time it moves 17...