document.write( "Question 567468: The local train is 25 miles down the track from the Central Station when the express leaves he station.The local train travels at a rate of 50 mi/hr and the express train travels at a rate of 80 mi/hr.Let n represent the number of hours since the express train left Central Station.
\n" ); document.write( "a.Write an expression that represents the express train's distance from Central Station in n hours.
\n" ); document.write( "b.When will the express train catch up with the local train?
\n" ); document.write( "

Algebra.Com's Answer #366538 by stanbon(75887)\"\" \"About 
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The local train is 25 miles down the track from the Central Station when the express leaves the station.
\n" ); document.write( "The local train travels at a rate of 50 mi/hr and the express train travels at a rate of 80 mi/hr.
\n" ); document.write( "Let n represent the number of hours since the express train left Central Station.
\n" ); document.write( "a.Write an expression that represents the express train's distance from Central Station in n hours.
\n" ); document.write( "distance = 80n miles
\n" ); document.write( "--------------------------------------
\n" ); document.write( "b.When will the express train catch up with the local train?
\n" ); document.write( "Local train DAta:
\n" ); document.write( "distance = (80n - 25) miles ; rate = 50 mph ; time = (80n-25)/50 hr
\n" ); document.write( "-----
\n" ); document.write( "Express train DATA:
\n" ); document.write( "distance = 80n ; rate = 80 mph ; time = n hr.
\n" ); document.write( "=======
\n" ); document.write( "Equation:
\n" ); document.write( "time = time
\n" ); document.write( "n = (80n-25)/50
\n" ); document.write( "50n = 80n-25
\n" ); document.write( "30n = 25
\n" ); document.write( "n = 5/6 hrs
\n" ); document.write( "n = 50 minutes
\n" ); document.write( "===================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "
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