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)\"\" \"About 
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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?
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\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( "\"9%2F10=x%2F50%2B%2833-x%29%2F30\"
\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
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