document.write( "Question 960721: A man drove at the rate of 50 km an hour while outside a city and 30 km an hour while within the city. If a trip of 33 km took him 54 minutes, how much of the trip was outside the city? \n" ); document.write( "
Algebra.Com's Answer #587119 by lwsshak3(11628) ![]() You can put this solution on YOUR website! A man drove at the rate of 50 km an hour while outside a city and 30 km an hour while within the city. If a trip of 33 km took him 54 minutes, how much of the trip was outside the city? \n" ); document.write( "*** \n" ); document.write( "let x=distance traveled outside the city \n" ); document.write( "33-x=distance traveled within the city \n" ); document.write( "travel time=distance/speed \n" ); document.write( "54 min=54/60=9/10 hr \n" ); document.write( ".. \n" ); document.write( " \n" ); document.write( "lcd:150 \n" ); document.write( "135=3x+165-5x \n" ); document.write( "2x=30 \n" ); document.write( "x=15 \n" ); document.write( "how much of the trip was outside the city? 15 km \n" ); document.write( " |