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 #213227 by richwmiller(17219)\"\" \"About 
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.6=3/5
\n" ); document.write( ".75=3/4
\n" ); document.write( "lets use 40 because it is a multiple of 20 5*4 lcd
\n" ); document.write( "and has integers for 3/5*40 and 3/4*40
\n" ); document.write( "3/5*40=24
\n" ); document.write( "24= b
\n" ); document.write( "16=g
\n" ); document.write( "16-6=10
\n" ); document.write( "24+6=30
\n" ); document.write( "30/40=.75=3/4
\n" ); document.write( "There could have been 40 boys and girls in the class
\n" ); document.write( "24 boys and 16 girls.\r
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