document.write( "Question 894985: Michael started up his motorcycle, checked to make sure his passenger was tucked in tight and began his 500-mile journey. Michael's motorcycle travels at a top speed of 62.5/mph (the motorcycle reaches top speed instantly.) After traveling for three hours, he stops for a 15-minute break. Once he gets on his motorcycle a head wind decreases his speed to 50 mph for one hour, then ceases. How long does it take Michael to reach his final destination? \n" ); document.write( "
Algebra.Com's Answer #542552 by KMST(5328)![]() ![]() You can put this solution on YOUR website! In the first three hours, Michael travels a distance of \n" ); document.write( " \n" ); document.write( "In the hour after his 15-minute break Michael travels a distance of \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3 hours + 13 minutes + 1 hour = 4 hours and 15 minutes = 4.25 hours. \n" ); document.write( "So, after 4.25 hours, Michael has traveled \n" ); document.write( "187.5 miles + 50 miles = 237.5 miles. \n" ); document.write( "He still needs to go \n" ); document.write( "500 miles - 237.5 miles = 262.5 miles \n" ); document.write( "further to reach his destination. \n" ); document.write( "At his stop speed of 62.5 mph, it will take him \n" ); document.write( " \n" ); document.write( "The whole trip will take \n" ); document.write( "4.25 hours + 4.2 hours = 8.45 hours. \n" ); document.write( "Since \n" ); document.write( "it will take Michael 8 hours and 27 minutes to reach his final destination. \n" ); document.write( " |