document.write( "Question 486959: Michael drove to a friends house at 40mph. He returned by the same route at 45mph. THe driving time for the round trip was 4 hours. What is the distance Michael traveled? \n" ); document.write( "
Algebra.Com's Answer #332873 by John10(297)![]() ![]() You can put this solution on YOUR website! Apply the formula Time = Distance/ speed \n" ); document.write( "At the same distance D: \n" ); document.write( "D/40 + D/45 = 4 \n" ); document.write( "9D + 8D = 1440 \n" ); document.write( "17D = 1440 \n" ); document.write( "D = 1440/17 \n" ); document.write( "D = 84.7 miles \n" ); document.write( "John10:) \n" ); document.write( " |