document.write( "Question 1186793: Hi
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document.write( "Car A left P for Q and had covered 3/8 of its journey when it passed car Bwhich was travelling at 60km per hour. Car A reached Q 35 minutes later and Car B was still 35 km away from Q. Assuming their speeds to be constant throughout the whole trip, how long did it take Car B to travel from P to Q.\r
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document.write( "Thanks \n" );
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Algebra.Com's Answer #817853 by ankor@dixie-net.com(22740) You can put this solution on YOUR website! Car A left P for Q and had covered 3/8 of its journey when it passed car B which was travelling at 60km per hour. \n" ); document.write( " Car A reached Q 35 minutes later and Car B was still 35 km away from Q. \n" ); document.write( " Assuming their speeds to be constant throughout the whole trip, how long did it take Car B to travel from P to Q. \n" ); document.write( ": \n" ); document.write( "Find the dist (5/8 of PQ dist) from where the cars were at the same point to Q \n" ); document.write( "Car B travels a km a min (60 km/h) so it would travel 35 km while A traveled to Q \n" ); document.write( "In 35 min B was still 35 km away so it must be 70 km from that point to Q \n" ); document.write( "Let d = dist from P to Q \n" ); document.write( " \n" ); document.write( "5d = 8*70 \n" ); document.write( "d = 560/5 \n" ); document.write( "d = 112 km from P To Q \n" ); document.write( "\"How long did it take Car B to travel from P to Q.\" \n" ); document.write( "B travels a km a min, it would take 112 min or 1 hr 52 min \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " |