SOLUTION: 3.[4pts] A cyclist traveled 12 kilometers per hour faster than an in-line skater. In the time it took the cyclist to travel 75 kilometers, the skater had gone 45 kilometers. Find t

Question 1147224: 3.[4pts] A cyclist traveled 12 kilometers per hour faster than an in-line skater. In the time it took the cyclist to travel 75 kilometers, the skater had gone 45 kilometers. Find the speed of the skater.
Answer by ikleyn(52894) (Show Source): You can put this solution on YOUR website!
.


Let x be the speed of the skater, in km/h.


Then the speed of the cyclist is  (x+12) km/h.


The problem says


     = 


It is your "time" equation.


To solve it, cross-multiply.


You will get a simple linear equation, which (I hope) you can easily solve on your own.

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