document.write( "Question 593783: Two cars X and Y start from two places A, B respectively which are 700 km apart at 9 a. m. Both the cars run at an average speed of 60 km / hr. Car X stops at 10 a. m. and again starts at 11 a. m. while the other car Y continues to run without stopping. When do the two cars cross each other ? \n" ); document.write( "
Algebra.Com's Answer #376457 by ankor@dixie-net.com(22740)\"\" \"About 
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Two cars X and Y start from two places A, B respectively which are 700 km apart
\n" ); document.write( "at 9 a. m. Both the cars run at an average speed of 60 km / hr.
\n" ); document.write( "Car X stops at 10 a. m. and again starts at 11 a. m. while the other car Y continues to run without stopping.
\n" ); document.write( "When do the two cars cross each other ?
\n" ); document.write( ":
\n" ); document.write( "Let t = travel time of Car y
\n" ); document.write( "then
\n" ); document.write( "(t-1) = travel time of Car x
\n" ); document.write( ":
\n" ); document.write( "The cars will meet when their distances traveled add up to 700 km
\n" ); document.write( ":
\n" ); document.write( "60t + 60(t-1) = 700
\n" ); document.write( "60t + 60t - 60 = 700
\n" ); document.write( "120t = 700 + 60
\n" ); document.write( "120t = 760
\n" ); document.write( "t = 6\"1%2F3\" hrs, which is 6 hrs 20 min
\n" ); document.write( "hence
\n" ); document.write( "9:00 + 6:20 = 3:20 Pm
\n" ); document.write( ":
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\n" ); document.write( "Check this by finding the actual distance each car traveled by 3:20 PM
\n" ); document.write( "Car y: 6.33(60) = 380
\n" ); document.write( "Car x: 5.33(60) = 320
\n" ); document.write( "----------------------
\n" ); document.write( "total distance: 700 km
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