document.write( "Question 631468: A businessman drives from Washington DC to Boston a distance of 442 miles and then makes the the return trip. On the way to Boston he drives 65 miles per hour taking a 1 hour rest stop during the drive. After finishing his business his business in Boston he makes the return trip driving at 60 miles per hour and takes a 45 min rest stop halfway through the trip. Which leg of the journey Washington to Boston or Boston to Washington DC takes the longer time? \n" ); document.write( "
Algebra.Com's Answer #397617 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! to Boston \n" ); document.write( "x=442/65 +1 \n" ); document.write( "return trip to DC \n" ); document.write( "y=442/60+3/4\r \n" ); document.write( "\n" ); document.write( "x~~7.8=468 minutes \n" ); document.write( "y~~8.11667= 487 minutes \n" ); document.write( "The return trip takes longer by about 19 minutes \n" ); document.write( " |