document.write( "Question 295745: The percentage of boys in a particular class at the begining of it is 60% . During the school year, 6 girls move away and are replaced by six boys making the it 75% boys. Find the number of boys and girls in the class at the beginning. \n" ); document.write( "
Algebra.Com's Answer #213226 by ankor@dixie-net.com(22740)\"\" \"About 
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The percentage of boys in a particular class at the beginning of it is 60% .
\n" ); document.write( "During the school year, 6 girls move away and are replaced by six boys making the it 75% boys.
\n" ); document.write( " Find the number of boys and girls in the class at the beginning.
\n" ); document.write( ":
\n" ); document.write( "Let t = total in the class, (remains the same after 6 girls leave & 6 boys added)
\n" ); document.write( ":
\n" ); document.write( ".6t + 6 = .75t
\n" ); document.write( "6 = .75t - .60t
\n" ); document.write( "6 = .15t
\n" ); document.write( "t = \"6%2F.15\"
\n" ); document.write( "t = 40 in the class
\n" ); document.write( ":
\n" ); document.write( ":
\n" ); document.write( "Check by finding the no. of boys
\n" ); document.write( ".75(40) = 30 boys at the end of the class
\n" ); document.write( ".60(40) = 24 boys originally
\n" ); document.write( "----------------
\n" ); document.write( "no. added: 6 boys \n" ); document.write( "
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