document.write( "Question 642593: Wilma drove at an average speed of 50 mi/h from her home in Boston to visit her sister in Buffalo. She stayed in Buffalo 10 hours and, on the trip back, averaged 45 mi/h. She returned home 29 hours after leaving. How many miles is Buffalo from Boston? \n" ); document.write( "
Algebra.Com's Answer #404165 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Wilma drove at an average speed of 50 mi/h from her home in Boston to visit her sister in Buffalo. She stayed in Buffalo 10 hours and, on the trip back, averaged 45 mi/h. She returned home 29 hours after leaving. How many miles is Buffalo from Boston? \n" ); document.write( "** \n" ); document.write( "let x=distance between Buffalo and Boston \n" ); document.write( "Travel time = distance/speed \n" ); document.write( ".. \n" ); document.write( "x/50+10+x/45=29 \n" ); document.write( "x/50+x/45=29-10 \n" ); document.write( "x/50+x/45=19 \n" ); document.write( "LCD:50*45 \n" ); document.write( "45x+50x=19*50*45 \n" ); document.write( "95x=19*50*45 \n" ); document.write( "x=(19*50*45)/19=450 \n" ); document.write( "distance between Buffalo and Boston=450 miles \n" ); document.write( " |