In the following table, information regarding publishing books by different publishers has been given. Study the table carefully and answer the questions.
What is the difference between the number of academic books published by publishing houses M and P ?
Number of academic books published by :
M = $$\frac{7}{10}$$ * 28200 = 19740
P = $$\frac{8}{13}$$ * 31200 = 19200
=> Required difference = 19740 - 19200 = 540
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