document.write( "Question 809370: Francisco ran for 35 miles an then walked for 6 miles. Francisco runs 4 mph faster than he walks. if it took him 7 hours to finish the race, how fast was he running? \n" ); document.write( "
Algebra.Com's Answer #488564 by richwmiller(17219)\"\" \"About 
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a+b=7,
\n" ); document.write( " (r)*a=35,
\n" ); document.write( " (w)*b=6,
\n" ); document.write( " r=w+4
\n" ); document.write( "a = 5, b = 2, r = 7, w = 3
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