6 typists working 5 hours a day can type the manuscript of a book in 16 days . How many days will 4 typists take to do the same job, each working 6 hours a day?
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Answer:
20 days
Step-by-step explanation:
6 typist take 5 hours to type manuscript in 16 days.
If each had 1 hour, 6 typists would take 16 x 5 = 80 days
if 1 typist had 1 hour, he would take 80 x 6=480 days.
4 typists had 1 hour= 480 / 6 = 80
4 typists have 6 hours so 80 / 6 =20
Therefore 20 Days
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