SOLUTION: One runner finishes a race in one hour. A second runner finishes 20 minutes later. If the faster runner is 2mph more than the slower runner, find the rate of each runner. How do I
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Question 498380: One runner finishes a race in one hour. A second runner finishes 20 minutes later. If the faster runner is 2mph more than the slower runner, find the rate of each runner. How do I set this up?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
You need an equation for each runner
Let = speed of slower runner in mi/hr
Let = the distance of the race
given:
= speed of faster runner
hr = faster runner's time
hr = slower runner's time
---------------------------
Slower runner:
Faster runner:
-----------------
Multiply both sides by
The faster runner's speed is 8 mi/hr
The slower runner's speed is 6 mi/hr
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