Question

During a long-distance kayak race series, a competitor traveled for a total of 28 kilometers over the course of 8 hours on two rivers. 18 kilometers were traveled on the first river, and 10 kilometers were traveled on the second river. On the first river, the competitor traveled at an average speed 4 kilometers per hour greater than she traveled on the second river. What was the average speed of the competitor on the first river? (Do not include the units in your response.)

Answer 1

Okay, here we have this:

Considering the provided information, we are going to identify the average speed of the competitor on the first river, so we obtain the following: