document.write( "Question 1195052: A boy bought 200 books .he sold 80 of books at a profit 15% and the remaining ones at a profit of 50% he realized rs.27200 in total .what was his cost of books? \n" ); document.write( "

Algebra.Com's Answer #827436 by MathTherapy(10552) $\"\"$ $\"About$

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\n" ); document.write( "A boy bought 200 books .he sold 80 of books at a profit 15% and the remaining ones at a profit of 50% he realized rs.27200 in total .what was his cost of books?
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Let cost of the 200 books be C\r\n" );
document.write( "Then cost of each book = \r\n" );
document.write( "With 80 books being sold at a 15% profit, we get the selling price of those 80 books as: \r\n" );
document.write( "\r\n" );
document.write( "With 120 (200 - 80) books being sold at a 50% profit, we get the selling price of those 120 books as: \r\n" );
document.write( "As the total profit was RS 27,200, we get: .46C + .9C = 27,200\r\n" );
document.write( "                                                1.36C = 27,200\r\n" );
document.write( "                         Cost of the 200 books, or \r\n" );
document.write( "You can do the check!!

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