Bite-sized brain teaser to solve in a minute or less.
The Book Fair
A book publisher is selling books at a large book fair that attracts about 50,000 visitors per day. Of those, about 20% visit the publisher's stall, and about 5% of those visitors buy a book.
How many books does the publisher sell per day at the fair?
Solution
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50,000 people visit the book fair. 20% of 50,000 = 10,000 people visit this publisher's stall 5% of 10,000 = 500 people buy a book The publisher sells about 500 books per day at the fair. |
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