document.write( "Question 477979: The first person has a rate of 45mph and gets a 40 mile headstart. The second person has a rate of 55mph. How long will it take for the second person to catch up to the first. \n" ); document.write( "
Algebra.Com's Answer #327562 by Alan3354(69443)\"\" \"About 
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The 2nd gains on the 1st at 10 mph (55 - 45). Or, the 2nd person's speed with respect to the 1st is 10 mph.
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\n" ); document.write( "40 mi/10 mi/hr = 4 hours.
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