document.write( "Question 869726: Sandra takes 6 hours to drive 300 miles. If she increases her speed 5 mi/h, how many hours will it take her to drive 440 miles? \n" ); document.write( "
Algebra.Com's Answer #524414 by ramkikk66(644)![]() ![]() ![]() You can put this solution on YOUR website! She drives 300 miles in 6 hours. \n" ); document.write( "Average speed = distance / time = 300/6 = 50 mph \n" ); document.write( "If she increases by 5 mph, her new speed is 55 mph \n" ); document.write( "Time = Distance / average speed \n" ); document.write( "So time taken to drive 440 miles = 440/55 = 8 hours. \n" ); document.write( "Hope you got it :) \n" ); document.write( " \n" ); document.write( " |