Acyclist traveled 15 kilometers per hour faster than an in-line skater. in the time it took the cyclist to travel 12 kilometers, the skater had gone 6 kilometers. find the speed of the skater.

The speed of the skater is 15 kilometers per hour.

Step-by-step explanation:

Let x be the rate of the skater.

Then the rate of the cyclist is x+15.

Let t represents time, so we get two equations:

(x+15)t = 12 and xt = 6

Now, solving for t;

and

As t is the same for the skater and the cyclist, we will equate both the equations now.

Solving for x;

=>

=>

=>

x = 15

Hence, the speed of the skater is 15 kilometers per hour.

one that is bigger than 3 1/2

3

step-by-step explanation: