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Q: A book seller allowed 10 % discount on printed price. He gets 30 % commission from publisher. His profit in percent will be?

A. 0.2
B. 0.25
C. $$ 28{4\over7}\% $$
D. $$ 26{3\over7}\% $$
Answer» D. $$ 26{3\over7}\% $$


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