Three men do a job in 8 days. How long will 4 men take to finish the job?
Fifteen workers can repair a road in 24 days. How long will it take for 9 w
repair the road?
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Step-by-step explanation:
i) 3 men = 8 days
4 men = 3 x 8 ÷ 4
= 6 days
ii) 15 men = 24 days
9 men = 15 x 24 ÷ 9
= 40 days
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