document.write( "Question 960798: A man travels from one city to another city at the rate of 40 km/h. He returns at the rate of 60 km/h, If the trip takes 8 hours, how far apart the cities? \n" ); document.write( "
Algebra.Com's Answer #587178 by macston(5194)\"\" \"About 
You can put this solution on YOUR website!
d=distance between cities
\n" ); document.write( "\"d%2F%2840km%2Fhr%29%2Bd%2F%2860km%2Fhr%29=8hrs\" Find common denominator
\n" ); document.write( "\"%281.5%2F1.5%29%28d%2F%2840km%2Fhr%29%29%2Bd%2F%2860km%2Fhr%29=8hrs\"
\n" ); document.write( "\"%281.5d%29%2F%2860km%2Fhr%29%2Bd%2F%2860km%2Fhr%29=8hrs\"
\n" ); document.write( "\"2.5d%2F%2860km%2Fhr%29=8hrs\" Multiply each side by (60km/hr).
\n" ); document.write( "\"2.5d=%288hrs%29%2860km%2Fhr%29\"
\n" ); document.write( "\"2.5d=480km\" Divide each side by 2.5.
\n" ); document.write( "\"d=192km\" ANSWER: The cities are 192 kilometers apart.
\n" ); document.write( "CHECK:
\n" ); document.write( "\"d%2F%2840km%2Fhr%29%2Bd%2F%2860km%2Fhr%29=8hrs\"
\n" ); document.write( "\"%28192km%29%2F%2840km%2Fhr%29%2B%28192km%29%2F%2860km%2Fhr%29=8hrs\"
\n" ); document.write( "\"4.8hrs%2B3.2hrs=8hrs\"
\n" ); document.write( "\"8hrs=8hrs\"
\n" ); document.write( "
\n" ); document.write( "
\n" );