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6 men took 20 days so it is 120 man-days worth of work.

4 men will take 120/4 = 30 days to do the work.

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Q: If 6 men took 20 days to plow 1 acre of land how many days will 4 men will take to plow 1 acre of land?
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Related questions

How long did it take to plow 1 acre of land in 1837?

With the steel plow it could help plow an acre in less than ninety six hours.


How long did it take to plow 1 acre of land with the steel plow in 1837?

it took 96 hours to plow an acre with john deere's new steel plow


What is the origin of an acre?

from old English farmers. the amount of land an oxen could plow in a day.


How many acres can a mule plow in a day?

It's my understanding that the 'acre' measurement was derived from the amount of land that could be plowed by a mule in one (1) day. So, one (1) acre.


What is the formula for an acre of land?

the formula is nx2513+21552x3514515= 1 acre simple right?actually the formula is simple: 1 acre=the area of land one farmer with one horse can plow in a single day. since this was difficult to calculate it is now 2500 m2


How did the acre as a unit of measurement originate?

According to my service manager an acre measurement was determined by how much area an ox and a single plow could plow in one day ...


Where does the term acre come from?

Acre is a term for an approximate measurement for which a yoke and an oxen could plow in a single day


How do you plow land in cityville?

You buy the plow land from the market under the goods section, you click the land to grow on it.


What is a seed plow?

A seed plow is a plow that plows the land and drops the seeds into the furrows at the same time.


What unit of measurement comes from the length of a ploughed acre of land?

The furlong, although it was the length of a plow furrow in a 10-acre field, not just one acre. At the time, fields were typically 10 acres in fairly uniform blocks. The furlong has since been standardized at a length of 660 feet, or 1/8 of a mile.


Why do we use the word Acre to explain land size?

Like the mile, the acre owes its existence to the concept of the furlong. Remember that a furlong was considered to be the length of a furrow a team of oxen could plow in one day without resting. An acre—which gets its name from an Old English word meaning "open field"—was originally the amount of land that a single farmer with a single ox could plow in one day. Over time, the old Saxon inhabitants of England established that this area was equivalent to a long, thin strip of land one furlong in length and one chain—an old unit of length equivalent to 66 feet—wide. That's how we ended up with an acre that's equivalent to 43,560 square feet.


How did the iron plow change life?

The iron plow allowed people to plow land more effectively and quickly allowing for greater food production. Which in turn allowed for growth in the human population. And, it increased the amount of land that people were able to plow in a single day significantly.