document.write( "Question 325599: A and B starts running towards each other with speed of 30 m/hr and 20 miles/hr initially they are 500 miles apart when they start.After how many hr will they meet. \n" ); document.write( "
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speed of A = 30 m/hr
\n" ); document.write( "speed of B = 20 m/hr.
\n" ); document.write( "..
\n" ); document.write( "Let them meet at distance x miles from A
\n" ); document.write( "so B runs 500-x
\n" ); document.write( "Time is the same.
\n" ); document.write( "..
\n" ); document.write( "Time = Distance / speed
\n" ); document.write( "x/30= (500-x) /20
\n" ); document.write( "20x=30(500-x)
\n" ); document.write( "20x=15000-30x
\n" ); document.write( "50x = 15000
\n" ); document.write( "x= 300. they will meet 300 miles from where A started.
\n" ); document.write( "speed of A = 30 mph
\n" ); document.write( "time = 300 / 30
\n" ); document.write( "= 10 hours.
\n" ); document.write( "They will meet after 10 hours
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