Mariam's answer to Bryan's Secondary 4 E Maths Singapore question.
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Since 5 men require 84hrs to complete the job,
1 men will require 420hrs to complete the job and 6 men will require only 70 hrs to complete the job. 70hrs for 7 days so 10hrs per day.
1 men will require 420hrs to complete the job and 6 men will require only 70 hrs to complete the job. 70hrs for 7 days so 10hrs per day.
Date Posted:
4 years ago
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