Thursday

July 24, 2014

July 24, 2014

Posted by **Amber** on Monday, January 14, 2008 at 11:03pm.

dealing w/- substitution and elimination

- Algebra -
**bobpursley**, Tuesday, January 15, 2008 at 12:05amlet w be the water speed

let b be the boat speed in still water.

b-w=2

b+w=3

solve. I would add the two equations to eliminate w.

- Algebra -
**Navi**, Thursday, July 28, 2011 at 6:46amb-w=2

b+w=3 (transpose)

b=3-w (substitute)

3-w-w=2 (combine like terms)

-2w=-1 (cancel -2)

w= 1/2

**Related Questions**

Math - Dayle is paddling his canoe upstream, against the current, to a fishing ...

Algebra - Cody’s motorboat took 3 hr to make a trip downstream with a 6-mph ...

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

Help...More Math Help!!!...Please! - A kayaker paddled 2 hours with a 6 mph ...

UPSTREAM - THIS EXURSION WITH A BOAT TRAVEL 35KM UPSTREAM AND THEN BACK AGAIN IN...

algebra - Abby Tanenbaum paddled her canoe 10 miles upstream, adn then paddled ...

Algebra - A boat's crew rowed 7.5 downstream,with the current, in 1.5 hours. The...

math 116 - A Coast-Guard patrol boat travels 4 hr on a trip downstream with a 6-...

algebra - A boat's crew rowed 13.5 miles downstream, with the current, in 1.5 ...

algebra - tugboat goes 160 miles upstream in 10 hours. The return trip ...