<PRE><B>Question 439442</B>
 if someone is travelling at 75mph and another person was travelling at 80mph 5 miles behind the other how long will it take the other person the catch up with the other.
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Slower person DATA:
rate = 75 mph ; time = t hrs. ; distance = rt = 75t miles
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Faster person DATA:
rate = 80 mph ; time = t hrs. ; distance = rt = 80t miles
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Equation:
faster distance - slower distance =  5 miles
80t-75t = 5
5t = 5 
t = 1 hr.
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Cheers,
Stan H.

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