document.write( "Question 553295: Hello, I need help on a word problem. I worked on it, but I am not sure it is correct, please help me. The answer I got was 780 miles.\r
\n" );
document.write( "\n" );
document.write( " A bus leaves San Fransisco traveling North at 60mph. One hour later, a car leaves from the same location on the same route at 65mph. How far from San Fransisco will the car overtake the bus? \r
\n" );
document.write( "\n" );
document.write( " Thank You! \n" );
document.write( "
Algebra.Com's Answer #360797 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A bus leaves San Fransisco traveling North at 60mph. \n" ); document.write( "----- \n" ); document.write( "rate = 60 mph ; time = t hrs ; distance = r*t = 60t miles \n" ); document.write( "----------------------------------------------------------------\r \n" ); document.write( "\n" ); document.write( "One hour later, a car leaves from the same location on the same route at 65mph. \n" ); document.write( "rate = 65 mph ; time = t-1 hrs ; distance = r*t = 65(t-1) miles \n" ); document.write( "-----------------------------------------------------------------\r \n" ); document.write( "\n" ); document.write( "How far from San Fransisco will the car overtake the bus? \n" ); document.write( "Equation: \n" ); document.write( "distance = distance \n" ); document.write( "60t = 65(t-1) \n" ); document.write( "60t = 65t - 65 \n" ); document.write( "5t = 65 \n" ); document.write( "t = 13 hrs \n" ); document.write( "---------- \n" ); document.write( "distance from SF = r*t = 60*13 = 780 miles \n" ); document.write( "============================================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============ \n" ); document.write( " |