SOLUTION: She rode a bike for 5 miles then she walked for another 2 miles. she can ride her bike twice as fast as she can walk. The entire trip tool 2 hours . How fast can she walk

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: She rode a bike for 5 miles then she walked for another 2 miles. she can ride her bike twice as fast as she can walk. The entire trip tool 2 hours . How fast can she walk      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 729976: She rode a bike for 5 miles then she walked for another 2 miles. she can ride her bike twice as fast as she can walk. The entire trip tool 2 hours . How fast can she walk
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
time b+w=2,
B*b=5,
W*w=2,
speed B=2W
b = 10/9, B = 9/2, w = 8/9, W = 9/4