SOLUTION: Bert is 19.5 kilometers away from Brenda. Both begin to walk toward each other at the same time. Bert walks at 4.5 kilometers per hour. They will meet in 3 hours. How fast is Brend

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: Bert is 19.5 kilometers away from Brenda. Both begin to walk toward each other at the same time. Bert walks at 4.5 kilometers per hour. They will meet in 3 hours. How fast is Brend      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 319183: Bert is 19.5 kilometers away from Brenda. Both begin to walk toward each other at the same time. Bert walks at 4.5 kilometers per hour. They will meet in 3 hours. How fast is Brenda walking?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
You can add their speeds to get a
speed which is how fast they are
approaching eachother
Let Brenda's speed = b
Combined speed = 4.5+%2B+b
19.5+=+%284.5+%2B+b%29%2A3
19.5+=+13.5+%2B+3b
3b+=+6
b+=+2
Brenda's speed is 2 km/hr