Question

Five tractors can mow a field in 8 days. If there are only 4 tractors available, in how many days will the field be mowed?

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Answer 1

Answer:

10 days reqd by 4 tractors

Step-by-step explanation:

5 tractors in 8 days

1 day work = 1/8

now there are 4 tractors

1 day work be let assume 1/X

5/4 = (1/8)/(1/X) = X/8

X = 5x8/4 = 10 days