111k views
2 votes
It takes 18 electricians 35 days to wire a new housing subdivision. How many days would 28 electricians require to do the same job?

1 Answer

5 votes

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

User Thomas Read
by
8.6k points