document.write( "Question 1176305: In a school,1200 of the students are boys,if 50% of the boys and 40% of the girls have paid their school fees. Find the number of girls,given that 46% of the population have paid their school fees. \n" ); document.write( "
Algebra.Com's Answer #802932 by ikleyn(52824)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "            In both posts by  @ewatrrr and  @MathLover1,  everything including the problem setup,  the solution and the answer, \r
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document.write( "Let x be the number of girls.\r\n" );
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document.write( "Then the total students is  (1200 + x).\r\n" );
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document.write( "The total of those who pays their school fees is  (0.5*1200 + 0.4x) = (600 + 0.4x).\r\n" );
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document.write( "The equation is\r\n" );
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document.write( "    \"%28600%2B0.4x%29%2F%281200%2Bx%29\" = 0.46.\r\n" );
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document.write( "To solve it, multiply both sides by the denominator and simplify\r\n" );
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document.write( "    600 + 0.4x = 0.46*(1200 + x)\r\n" );
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document.write( "    x = \"%28600-0.46%2A1200%29%2F%280.46-0.4%29\" = 800.\r\n" );
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document.write( "ANSWER.  The number of girls in the school is 800.\r\n" );
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