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If 25 men can build a house for 18 days how many days can 15 men built?
Well, buckle up, buttercup. If 25 men can build a house in 18 days, that means it takes 25*18 = 450 man-days to build the house. Now, if you throw 15 men into the mix, you just need to divide those 450 man-days by 15 to find out how many days it will take them. So, 450 man-days divided by 15 men equals 30 days for those fellas to build that house.
Matthew can build a block all in 3 days Andy can build the wall in 5 days How long will it take if they work together?
1 7/8 days Matthew in one day can build 1/3 of the block. Andy in one day can build 1/5 of the block. Together in one day they can build 8/15 of the bolck. It means they need less than 1 day to build 7/15 of the block, which is 7/8 of the day. Thus, they need 1 day and 7/8 of the next day to build the block together.
If 5 men can build a wall in 8 days how many days will 3 men take to build the same wall?
1 wall = 5 men X 8 days = 40 man days 40 man days / 3 men = (40/3) days = 13 1/3 days
If 5 men took 20 days to build a fence how much days will 3 men take and 8 men take?
It takes 100 man-days, so three men would take 33 and a third days and 8 men 12½ days. Working together the 3 men and 8 men would take 100/11 or 9 and a ninth days
If it took 8 men 10 hrs to build a wall how long would it take 4 men to build?
20 hours
How long did it take the Hawaiians to build their houses?
3 days
12 men can build 5 houses in 75 days how long will 20 men take to build 7 such houses?
75 / 5 = 15 days for 12 men to build one house. 15x12 = 180 days for 1 man to build 1 house. 180 x 7 = 1260 days for 1 man to build 7 houses. 1260 / 20 = 61 days for 20 men to build 7 houses.
How long did it take for pomos Indians to build their houses?
About 2 weeks
How long did it take to build a sarcophagus?
it take 2 days
If 10 people can paint 60 houses 120 days how many days will it take 5 people to paint 30 houses?
This was a previous incorrect answer*DIVIDE BY 2! everything is in half. half the people half the houses then it stands to reason HALF THE DAYS!!!!! the answer is 60*.....Actually the correct answer is 120 days. You must analyze the relationship of people per house (10 people build 60 houses=6 houses per person over time span). To prove this just imagine if the question asked how long 1 person would take to build 6 houses. You would not simply divide by 10 to get 12 days.
How long does one pyramid take to build?
It took 273 days for them to build the pyramid
How long did it take for the Morrison shelter to build?
About 3 days
How long does it take to build a commercial airplane?
Four days.
If it takes 7 men 5 days to paint 3 houses how long will it take 10 men to paint 15 houses?
45 days
15 carpenters restore 45 houses in 90 days how long would it take for 5 carpenters to restore 30 houses?
180 days
How long did it take the Greats to build Beowulf's tower?
It took the Greats ten days to build Beowulf's tower.
How long did it take to build Lambeau Field?
4 days :3
