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 #827397 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 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( "------------- \n" ); document.write( "C = cost \n" ); document.write( "80*(C*1.15) + 120*(C*1.5) = 27200 \n" ); document.write( "92C + 180C = 27200 \n" ); document.write( "272C = 27200 \n" ); document.write( "etc \n" ); document.write( "========================= \n" ); document.write( "Mathtutor's answer and mine are the same. \n" ); document.write( "Mine shows 100 per book ---> 20000. \n" ); document.write( " |