SOLUTION: amy walked m miles at w miles per hour and arrived on time. then the distance was increased 6 miles. how fast did she have to walk to travel the new distance in the same amount of

Algebra ->  Test -> SOLUTION: amy walked m miles at w miles per hour and arrived on time. then the distance was increased 6 miles. how fast did she have to walk to travel the new distance in the same amount of       Log On


   

Question 1170311: amy walked m miles at w miles per hour and arrived on time. then the distance was increased 6 miles. how fast did she have to walk to travel the new distance in the same amount of time?
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
        SPEED   TIME   DISTANCE

normal    w      t      m

fast      r      t     m+6

Unknown, r.
Assumed given and known, w, m

m%2Fw=t=%28m%2B6%29%2Fr----solve for r.
.
.
r=%28wm%2B6w%29%2Fm