12 workers can build a wall in 60 hours. How many workers will be required to do the same work in 48 hours?
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In 60 hr --------------- 12 worker
in l hr ------------ 12/60=1/5
therefore , in 48 hr work done
1/5*48=9hr 30 min
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Answer
18 workers
Step-by-step explanation:
Lets take the ratio and proportion method
if 12 workers build a wall in 60 hours
The first ratio is 12:16
if x no of workers build a wall in 48 hours
The second ratio is x:48
*here x is the no of unknown no of workers
Equation
12:16:: x :48
x= 12 X 48
16
=6 X 3
=18
Therefore 18 workers are needed to build the wall in 48 hours
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