document.write( "Question 469616: A car travels 550 mi. A second car, traveling 5 mph faster than the first car, makes the same trip in 1 h less time. Find the speed of each car. \n" ); document.write( "
Algebra.Com's Answer #322181 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! 550/n=550/(n+5)+1 \n" ); document.write( "550n+2750=550n+n2+5n \n" ); document.write( "n2+5n-2750=0 \n" ); document.write( "(n+55)(n-50)=0 \n" ); document.write( "n=-55 or 50 \n" ); document.write( "Throwing out the negative answer, we get the speed of the slower car to be 50 mph, and that of the faster car to be 55 mph.. \n" ); document.write( " |