Respuesta :
The total meters in the wall which is build by a construction company at a rate of 30 cm of the wall per minute, is 16 meters.
What is the relation between work and time?
The total time taken is inversely proportional to the rate of work. If a unit of work is done in total n number of days, then the total work done in a day can is,
W=1/n
A construction company is building a wall. The company can build 30 cm of the wall per minute. In 40 minutes the total cm of wall build by company is,
n=40/30
n=1200 cm
n=12 m
After 40 minutes, three fourth of the wall is completed, which is equal to the 12 meters. Thus, the total meter of the wall is,
(3/4)x=12
x=(12x4)/3
x=16 m
Thus, the total meters in the wall which is build by a construction company at a rate of 30 cm of the wall per minute, is 16 meters.
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