document.write( "Question 882649: in a class of 40 students 70% of them are boys what will be a percentage of girls in the same class after 8 boys leave the school \n" ); document.write( "
Algebra.Com's Answer #532979 by nerdybill(7384)\"\" \"About 
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in a class of 40 students 70% of them are boys what will be a percentage of girls in the same class after 8 boys leave the school
\n" ); document.write( "number of boys in class:
\n" ); document.write( ".70 * 40 = 28
\n" ); document.write( "number of girls in class:
\n" ); document.write( "40-28 = 12
\n" ); document.write( "total in class then: 20+12 = 32
\n" ); document.write( "percentage of girls in class:
\n" ); document.write( "12/32 * 100 = 37.5%
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