Monday

March 2, 2015

March 2, 2015

Posted by **Lisa L** on Tuesday, July 24, 2012 at 11:15pm.

- Math Word Problem -
**Reiny**, Wednesday, July 25, 2012 at 10:52amspeed of boat --- x mph

speed upstream = x-6

speed downstream = x+6

5/(x-6) - 5/(x+6) = 20/60 = 1/3

times 3(x-6)(x+6)

15(x+6) - 15(x-6) = x^2 - 36

15x + 90 - 15x + 90 = x^2 - 36

x^2 = 216

x = √216 = appr 14.7 mph

**Answer this Question**

**Related Questions**

algebra - Gone fishing. Debbie traveled by boat 5 miles upstream to fish in her ...

math - Debbie traveled by boat 5 miles upstream to fish in her favorite spot. ...

MaTh - Debbie traveled by boat 5miles upstream to fish in her favourite spot>...

Intermediate Algebra Word Problem - A river's current is 4mph. A boat travels 48...

algebra - A boat travel 4 miles upstream with a current of 5 miles per hour. It ...

math help please - Solve the problem. A boat can go 33 mph in still water. It ...

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

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

math - A boat traveling downstream a distance of 39 miles then came right back....

Math Word Problem - Steve's boat will go 14 miles per hour in still water. If he...