SOLUTION: Jodie bicycles 6km/h faster than Carlos. In the same time it takes Carlos to bicycle 45km, Jodie can bicycle 63km. How fast does each bicyclist travel? Jodie_____ Carlos____

Algebra ->  Rational-functions -> SOLUTION: Jodie bicycles 6km/h faster than Carlos. In the same time it takes Carlos to bicycle 45km, Jodie can bicycle 63km. How fast does each bicyclist travel? Jodie_____ Carlos____       Log On


   

Question 416344: Jodie bicycles 6km/h faster than Carlos. In the same time it takes Carlos to bicycle 45km, Jodie can bicycle 63km. How fast does each bicyclist travel?
Jodie_____
Carlos____

Thank you
Answer by sudhanshu_kmr(1152) About Me  (Show Source):
You can put this solution on YOUR website!

Carlos bicycles speed = x
Jodie bicycles speed = x+6
45/x = 63/(x+6)
=> 45x + 270 = 63x
=> 63x - 45x = 270
=> 18x = 270
=> x = 270/18 = 15
Jodie : 21
Carlos : 15