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)\"\" \"About 
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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( ":-)
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