3 typist working 7 hours a day type thesis in 10 days ,for how many hours per day should 2 typist work to finish it in 12 days
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3 typists : 7 hours a day : 10 days (Given)
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Find 1 typist:
3 ÷ 3 typists : 7 hours a day : 10 x 3days
1 typist : 7 hours a day :30 days
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Find 2 typists:
1 x 2 typists : 7 hours a day :30 ÷ 2 days
2 typists : 7 hours a day : 15 days
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Find 1 day:
2 typists : 7 x 15 hours a day : 15 ÷ 15 days
2 typists : 105 hours a day : 1 days
*The solution of 105 a day may not be logical but it is a intermediate working, so we leave it as it so that we can work on it later.
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Find 12 days:
2 typists : 105 ÷ 12 hours a day : 1 x 12days
2 typists :8.75 hours a day : 12 days
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Answer: The 2 typists will have to work for 8.75 hours a day for 12 days.
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