Monday

March 30, 2015

March 30, 2015

Posted by **Urgent** on Tuesday, January 14, 2014 at 6:18pm.

- Algebra -
**Damon**, Tuesday, January 14, 2014 at 6:23pmspeed of current = u

speed upstream = (u-4)

speed downstream = (u+4)

8 = (u-4) T so T = 8/(u-4)

24 = (u+4) T so T = 24/(u+4)

8/(u-4) = 24/(u+4)

24(u-4) = 8 (u+4)

24 u - 96 = 8 u + 32

16 u = 128

u = 8

- Algebra -
**Urgent**, Tuesday, January 14, 2014 at 6:34pmHow did you do 8/(u-4) which turned in to 8(u-4)

**Answer this Question**

**Related Questions**

algebra - 36 Upstream, downstream. Junior’s boat will go 15 miles per hour in ...

algebra - Show a complete solution. Upstream, downstream. Junior’s boat will go ...

Math - Steve's boat will go 14 miles per hour in still water. If he can go 13 ...

Algebra - The current of a river moves at 3 miles per hour. It takes a boat 3 ...

intermediate algebra - a motorboat moves 25 miles per hour in still water. it ...

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

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

Intermediate Algebra - in still water, a paddle boat averages 10 miles per hour...

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

algebra - The time it takes you to go 12 miles upstream is 5/4 the time it takes...