you have to buy some books and pens. one book seller quoted the price of one dozen book as rupees 960 2/3 and one dozen pen as 48 1/2. A second seller quoted the price of same book of 10 pieces as rupees 810 1/2 and 10 pens of same brand as rupees 39 1/3. From which book seller would you buy and why
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price of 12 books = 960
price of 1 book = 960/12
= 80
price of 12pens = 481
price of 1 pen = 481/12
=40.8
price of 10 books = 810
price of 1 book = 810/10
=81
price of 10 pens =391
price of 1 pen = 391/10
=39.1
profit = (80-81)-(40.8-39.1)
=1-1.7
=.7
we have to buy products from the second seller.
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