A mesan can build a wall in 7 days for working 8 hours a day in how many days wall will be built for working 14 hours a day
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Answer:
4 days
Step-by-step explanation:
efficiency = work / time
efficiency of mesan is 8
time = 7 days
8 = work / 7
56 = work
in 2nd case efficiency = 14
work is same 56
14 = 56 / time
time =56 / 7= 8
8 days is the answer
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