document.write( "Question 698521: A car left Town A at 10:00am and travelled towards Town B at the average speed of 70 km/h. At the same timee a truck left Town B and travelled towards Town A over the same road at an average speed of 50 km/h. If the distance between Town A and Town B is 420km, at what time would the car and the truck pass each other? \n" ); document.write( "
Algebra.Com's Answer #430764 by lwsshak3(11628)\"\" \"About 
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A car left Town A at 10:00am and travelled towards Town B at the average speed of 70 km/h. At the same timee a truck left Town B and travelled towards Town A over the same road at an average speed of 50 km/h. If the distance between Town A and Town B is 420km, at what time would the car and the truck pass each other?
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\n" ); document.write( "let x=distance car traveled
\n" ); document.write( "420-x=distance truck traveled
\n" ); document.write( "travel time=distance/speed (same for car and truck)
\n" ); document.write( "..
\n" ); document.write( "x/70=(420-x)/50
\n" ); document.write( "50x=70(420-x)
\n" ); document.write( "50x=29400-70x
\n" ); document.write( "120x=29400
\n" ); document.write( "x=245
\n" ); document.write( "travel time=x/70=3.5 hrs
\n" ); document.write( "time car and truck pass each other: 1:30 pm
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