6 tractors take 7 days to collect the harvest. How long would it take 15 tractors to do the same amount of work?
1 Answer
Nov 29, 2016
Explanation:
Assuming that each tractor does the same amount of work toward the total each day and that adding tractors does not diminish the amount of work done for the additional tractors (each tractor, regardless of how many continue to work independently at the same rate), we proceed.
It took
7 days / 6 tractors
Divide
So,
Solve for
Just a little less than