Question 481838
A remote control car races straight down the street at 26 miles per hour. 
Two hours later, a second remote control car races straight down the same street at 52 miles per hour in pursuit of the first car. 
From the moment the first car started, how many hours will it take the second car to catch up to the first?
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1st car DATA:
rate = 26 mph ; time = x+2 hrs ; distance = 26(x+2) miles
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2nd car DATA:
rate = 52 mph ; time = x ; distance = 52x miles
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Equation:
distance = distance
26(x+2) = 52x
26x + 52 = 52x
26x = 52
x = 2 hrs (time for the 2nd car to catch up)
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Cheers,
Stan H
x = 0.3846 hrs = 23.07 minutes

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On what scale is the speed of each car measured?
Ans: miles per hour

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Cheers,
Stan H.