document.write( "Question 919410: if i drove my car 45 miles and ran out of gas. then i walked 3 miles to a gas station. my driving speed was 15 times my walking speed. if my total time for the drive and walk was 1.5 hours, what was my driving speed \n" ); document.write( "
Algebra.Com's Answer #557823 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! if i drove my car 45 miles and ran out of gas. then i walked 3 miles to a gas station. \n" ); document.write( " my driving speed was 15 times my walking speed. \n" ); document.write( " if my total time for the drive and walk was 1.5 hours, what was my driving speed? \n" ); document.write( ": \n" ); document.write( "let w = your walking speed \n" ); document.write( "then \n" ); document.write( "15w = your driving speed \n" ); document.write( ": \n" ); document.write( "Write a time equation; time = dist/speed \n" ); document.write( ": \n" ); document.write( "drive time + walk time = 1.5 hrs \n" ); document.write( " \n" ); document.write( "reduce the 1st fraction \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "w = 6/1.5 \n" ); document.write( "w = 4 mph is your walking speed \n" ); document.write( "then obviously, \n" ); document.write( "15(4) = 60 mph is your driving speed \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Confirm this find the actual time driving and walking \n" ); document.write( "45/60 = .75 hr \n" ); document.write( "3/4 = .75 hr \n" ); document.write( "----------------- \n" ); document.write( "total time 1.5 hrs \n" ); document.write( " \n" ); document.write( " |