document.write( "Question 749021: please help me to solve this question.the prize of 15 books is rs 6750.how many books can be purchased for rs 4050?
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Algebra.Com's Answer #455738 by Cromlix(4381)\"\" \"About 
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15 books cost rs 6750
\n" ); document.write( " 1 book costs rs 450 (6750/15)
\n" ); document.write( " 9 books cost rs 4050 (4050/450 = 9)\r
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