A dealer earns a profit of 12 percent after selling a book at 10 percent discount on printed price find the ratio of the c.p and the printed price of the book
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112℅ Of CP= 90% of printed price
CP/printed = 90/112 = 45/56
CP/printed = 90/112 = 45/56
princy70:
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Let C.P. of book =100
Profit=12%
S.P. =CP×(100+Gain)÷100
=100
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