Today Puzzle #745
Puzzle No. 745 鈥� Friday 22 May 2020
Monday was the start of the second 大象传媒 Two series, Monkman & Seagull's Genius Adventures. The University Challenge friends Eric Monkman and Bobby Seagull are exploring British inventions from 1750-1900. They looked at the first edition of the 1791 Encyclopedia Britannica which has 2400 pages. Eric and Bobby have a reading speed of a page every 4 minutes. How many 9am -6pm working days with an hour break will it take them to complete the Encyclopedia?
Today’s #PuzzleForToday has been set by Bobby Seagull, school maths teacher, author and Cambridge University Doctorate student.
Click here for the answer
20 working days
A page every 4 minutes means it takes them they can read 15 pages a hour.
2400 pages /15 pages per hour = 160 hours
160 hours / 8 working hours per day = 20 working days
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