document.write( "Question 1059012: duane drove 265 miles in 5 hours. part if his trip was on the highway at 55 mph. the rest was in town at 35 mph. how long did he drive in town? \n" ); document.write( "
Algebra.Com's Answer #674095 by Alan3354(69443) You can put this solution on YOUR website! duane drove 265 miles in 5 hours. part if his trip was on the highway at 55 mph. the rest was in town at 35 mph. how long did he drive in town? \n" ); document.write( "--------- \n" ); document.write( "d = r*t \n" ); document.write( "t = d/r \n" ); document.write( "--- \n" ); document.write( "h = distance on highway \n" ); document.write( "5 = h/55 + (265-h)/35 \n" ); document.write( "1925 = 7h + 11*(265-h) = -4h + 2915 \n" ); document.write( "4h = 990 \n" ); document.write( "h = 247.5 miles on the highway \n" ); document.write( "--> 17.5 miles in town \n" ); document.write( "============== \n" ); document.write( "17.5/35 = 0.5 hours in town \n" ); document.write( " \n" ); document.write( " |