It takes 18 electricians 35 days to wire a new housing subdivision. How many days would 28 electricians require to do the same j
ob?
1 answer:
Assuming one electrician-day is the same as another, the total job is ...
... (18 electricians)×(35 days) = 630 electrician·days
When that work is split among 28 electricians, it can be expected to take ...
... (630 electrician·days)/(28 electricians) = 22.5 days
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