document.write( "Question 1197952: Hi
\n" ); document.write( "3/4 of the boys are equal to 1/3 of the girls. What fraction of the pupils are boys. My son son 9/13 textbook solution is 4/13. Who is correct.
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Algebra.Com's Answer #831649 by MathTherapy(10552)\"\" \"About 
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\n" ); document.write( "Hi
\n" ); document.write( "3/4 of the boys are equal to 1/3 of the girls. What fraction of the pupils are boys. My son son 9/13 textbook solution is 4/13. Who is correct.
\n" ); document.write( "Thanks
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Let number of boys be B, and girls, G\r\n" );
document.write( "We then get: \"matrix%282%2C3%2C+%283%2F4%29B%2C+%22=%22%2C+%281%2F3%29G%2C+3B%2F4%2C+%22=%22%2C+G%2F3%29\"\r\n" );
document.write( "                 9B = 4G ------ Cross-multiplying\r\n" );
document.write( "                \"matrix%281%2C3%2C+9B%2F4%2C+%22=%22%2C+G%29\"\r\n" );
document.write( "Total students: # of boys + # of girls = \"matrix%281%2C5%2C+B+%2B+9B%2F4%2C+%22=%22%2C+4B%2F4+%2B+9B%2F4%2C+%22=%22%2C+13B%2F4%29\"\r\n" );
document.write( "    Fraction of students that are boys:
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