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A publisher printed 50,000 copies of a book. All but 500 copies were s [#permalink]

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03 Oct 2016, 21:57

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A publisher printed 50,000 copies of a book. All but 500 copies were sold. Of the books sold, 10 percent were sold at half price, and the remaining copies were sold at the full price of $20. What was the publisher's total revenue?

a) $859500 b) $940500 c) $950000 d) $999500 e) $1050000

Re: A publisher printed 50,000 copies of a book. All but 500 copies were s [#permalink]

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04 Oct 2016, 07:50

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alanforde800Maximus wrote:

A publisher printed 50,000 copies of a book. All but 500 copies were sold. Of the books sold, 10 percent were sold at half price, and the remaining copies were sold at the full price of $20. What was the publisher's total revenue?

a) $859500 b) $940500 c) $950000 d) $999500 e) $1050000

Please assist with above problem.

Number of books available = x = 50000 Number of books sold = x - 500

Full Price = 20; Half Price = 10

Revenue from half price books = 0.1(x - 500)*10 = (x - 500) Revenue from full price books = 0.9(x - 500)*20 = 18(x - 500) Total Revenue = x - 500 + 18(x - 500) = 19(x - 500) = 19*49500

A publisher printed 50,000 copies of a book. All but 500 copies were sold. Of the books sold, 10 percent were sold at half price, and the remaining copies were sold at the full price of $20. What was the publisher's total revenue?

a) $859500 b) $940500 c) $950000 d) $999500 e) $1050000

Please assist with above problem.

A publisher printed 50,000 copies of a book. All but 500 copies were sold So, 50,000 - 500 = 49,500 So, 49,500 books we sold

Of the books sold, 10 percent were sold at half price, and the remaining copies were sold at the full price of $20. 10% of 49,500 = 4950 So, 4950 books sold for $10 apiece

49,500 - 4950 = 44,550 So, 44,550 books sold for $20 apiece

Re: A publisher printed 50,000 copies of a book. All but 500 copies were s [#permalink]

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04 Oct 2016, 08:33

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Out of 50,000 copies 49,500 were sold. Out of 49,500, 4950 were sold at half the original price. Original price is given as $20 So (49500-4950)*20+(4950*10)= $940500