Dimensions 30111

The hall has dimensions of 60m, 28m, and a height of 3m. How many hours will it take to paint it if it takes 3 minutes to paint 1 square meter? The walls and ceiling are painted, and the windows take up 1/3 of the total area that needs to be painted.

Correct answer:

t =  73.6 h

Step-by-step explanation:

a=60 m b=28 m c=3 m  S=a b+2 (a+b) c=60 28+2 (60+28) 3=2208 m2 S1=SS/3=22082208/3=1472 m2  t1=S1 3=1472 3=4416 min t=t1 h=t1:60  h=4416:60  h=73.6 h=5368 h=73.6 h



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