8 men can finish a piece of work in 40 days. If 2 more men join them, the work will be completed in ____. Pls explain too
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8 men take 40 days to finish
If two more men join then total number of men = 10
8 men finish the work in =40 days
1 man will finish the work in =40×8days [1 man will take longer to finish the work that's why we use multiplication]
10 men will finish the work in =1040×8=32 days [10 man will finish the work faster that's why we use division]
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