Necessary paint

3 kg of paint is enough for 18 m2 of area. How much paint is needed to paint the walls and bottom of a swimming pool with dimensions of 25 m, 15 m, and a depth of 1.5 meters? Thank you

Correct answer:

m =  82.5 kg

Step-by-step explanation:

σ=3/18=610.1667 kg/m2 a=25 m b=15 m c=1.5 m  S=a b+2 (a+b) c=25 15+2 (25+15) 1.5=495 m2  m=σ S=0.1667 495=82.5 kg



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