SOLUTION: A cyclist cycles for x hours at 12km/h and y hours at 18km/h. Altogether she cycles 78km in 5 hours. Find x and y.

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: A cyclist cycles for x hours at 12km/h and y hours at 18km/h. Altogether she cycles 78km in 5 hours. Find x and y.      Log On


   

Question 1140410: A cyclist cycles for x hours at 12km/h and y hours at 18km/h. Altogether she cycles 78km in 5 hours. Find x and y.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
A cyclist cycles for x hours at 12km/h and y hours at 18km/h. Altogether she cycles 78km in 5 hours. Find x and y.
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x + y = 5
12x + 18y = 78