SOLUTION: 5 people build a wall in one hour.
how long will it take 8 people to build a wall?
give the answer in minutes, please ......
Algebra.Com
Question 1148960: 5 people build a wall in one hour.
how long will it take 8 people to build a wall?
give the answer in minutes, please ......
Found 2 solutions by josgarithmetic, greenestamps:
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
r, rate for 1 person
5r, rate for 5 people
ONE wall,
Eight People, same one wall; how much time?
x, time
About 38 minutes
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!
(8/5) as many workers; same amount of work --> (5/8) as much time.
ANSWER: (5/8)*1 hour = (5/8)*60 minutes = 37.5 minutes
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