SOLUTION: 2 runners going in opposite directions pass each other along a straight trail. The speed of the faster runner is 1 1/4 times that of the slower runner. In one hour they are 18 kilo

Question 817152: 2 runners going in opposite directions pass each other along a straight trail. The speed of the faster runner is 1 1/4 times that of the slower runner. In one hour they are 18 kilometers apart. Find the rate of each runner.
Thank you in advance:)
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
a + b = 18 km / 1 hr = 18 kph
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b = 1.25a
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a + b = 18
a + 1.25a = 18
2.25a = 18
a = 18/2.25
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a = 8 kph
b = 10 kph
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