document.write( "Question 993226: two students took an exam one of them achieved 9 marks more than the other and his marks were 56% of the sum of their marks
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Algebra.Com's Answer #613187 by anand429(138)\"\" \"About 
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a=b+9
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\n" ); document.write( "a=0.56*(a+b)
\n" ); document.write( "=> 100a=56*(a+a-9)
\n" ); document.write( "=> a = 42
\n" ); document.write( "so, b = 33
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