Consumption 40011

Karel calculates the consumption of paint for coating the floor in the clubhouse. The clubhouse is 3.4 m long and 2.5 m wide. 0.7 kg of paint is used per 1 m2. One can contain 0.8 kg of paint. Calculate the total consumption of paint. How many cans of paint does Karel have to buy?

Correct answer:

m =  5.95 kg
n =  8

Step-by-step explanation:

a=3.4 m b=2.5 m ρ=0.7 kg/m2  S=a b=3.4 2.5=217=8.5 m2  m=ρ S=0.7 8.5=5.95 kg
m1=0.8 kg n=m/m1=5.95/0.8=8



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