document.write( "Question 336969: If my car always goes 94 kilometers per hour and I stop at a rest stop for 21 minutes, and I only average 84.9 kilometers per hour on my trip; how many total kilometers did I go and how many hours did it take? \n" ); document.write( "
Algebra.Com's Answer #241618 by Fombitz(32388)![]() ![]() You can put this solution on YOUR website! Rate*Time=Distance \n" ); document.write( " \n" ); document.write( "t1 is the time while the car moves at 94 kph. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "The units are in hours, let's convert to minutes. \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "t2 is the time at rest. \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "Average speed is total distance divided by total time. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Multiply both side by \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Then from above, \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |