document.write( "Question 901153: Some bank robbers leave town, speeding at 70 mph. Ten minutes later, the police give chase, traveling at 78 mph. How long will it take the police to overtake the bank robbers? \n" ); document.write( "
Algebra.Com's Answer #546491 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Some bank robbers leave town, speeding at 70 mph. Ten minutes later, the police give chase, traveling at 78 mph. How long will it take the police to overtake the bank robbers? \n" ); document.write( "*** \n" ); document.write( "10 min=1/6 hr \n" ); document.write( "let x=travel time of police \n" ); document.write( "x+1/6=travel time of robbers \n" ); document.write( "distance=travel time*speed (same for police and robbers) \n" ); document.write( "78x=70(x+1/6) \n" ); document.write( "78x=70x+70/6 \n" ); document.write( "8x=70/6 \n" ); document.write( "x=1.46 \n" ); document.write( "How long will it take the police to overtake the bank robbers? 1.46 hrs \n" ); document.write( " |