document.write( "Question 1015254: If 70% of the students in a school are boys and the number of girls is 540,find the number of boys in the school ?
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Algebra.Com's Answer #631627 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Girls in that school could have their pick for a bf! :)\r\n" );
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document.write( "S = B + G\r\n" );
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document.write( "If 70% of the students in a school are boys\r\n" );
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document.write( ".70S = B\r\n" );
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document.write( "and the number of girls is 540,\r\n" );
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document.write( "G = 540\r\n" );
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document.write( "\"system%28S=B%2BG%2C+0.70S=B%2C+G=540%29\"\r\n" );
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document.write( "1.  Substitute 540 for G in S=B+G.\r\n" );
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document.write( "S = B+540\r\n" );
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document.write( "2. Substitute (B+540) for S in 0.70S=B\r\n" );
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document.write( "0.70(B+540)=B\r\n" );
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document.write( "Distribute\r\n" );
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document.write( "0.70B+378=B\r\n" );
document.write( "      378=B-0.70B\r\n" );
document.write( "      378=1.00B-0.70B\r\n" );
document.write( "      378=0.30B\r\n" );
document.write( " 378/0.30=B \r\n" );
document.write( "     1260=B   \r\n" );
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document.write( "There are 1260 boys.\r\n" );
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document.write( "Edwin

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