Question 161616: If it takes 12 people 3 days to build 72 meters of fence, how many meters of fence can 15 people build in one day? Found 2 solutions by checkley77, ankor@dixie-net.com:Answer by checkley77(12844) (Show Source):
You can put this solution on YOUR website! (12*3):72 AS (15*1):X
36/72=15/X
1/2=15/X
X=30 FEET OF FENCE CAN BE BUILT BY 15 PEOPLE IN 1 DAY.
PROOF:
36/72=15/30
1/2=1/2
You can put this solution on YOUR website! If it takes 12 people 3 days to build 72 meters of fence, how many meters of fence can 15 people build in one day?
;
Use man/days:
12*3 = 36 man/days to build 72 meters of fence
then
72/36 = 2 meters per man/day
;
Find how many 15 can build in 1 day
15*1 * 2 = 30 meters of fence
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