document.write( "Question 797194: The sum of the speeds of two cars is 724.3 mph. If the speed of first car is 7.7 faster than second car. find speeds of each. \n" ); document.write( "
Algebra.Com's Answer #481706 by Cromlix(4381) You can put this solution on YOUR website! The sum of the speeds of two cars is 724.3 mph. \n" ); document.write( "x + x = 724.3 \n" ); document.write( "If the speed of first car is 7.7 faster than the second. \n" ); document.write( "x + 7.7x = 724.3 \n" ); document.write( "8.7x = 724.3 \n" ); document.write( "x = 724.3/8.7 \n" ); document.write( "x = 83.3 mph \n" ); document.write( "Slower car = 83.3 mph. \n" ); document.write( "Faster car = 641.0 mph. \n" ); document.write( "Hope this helps. \n" ); document.write( ":-) \n" ); document.write( " |