The room is long 50 meters and wide 60 dm and 300 cm high. Calculate how much it will cost to paint if the area of windows and doors is 15% of the total area. One square meter cost 50cents.

Correct answer:

x =  270.3 Eur

Step-by-step explanation:

S1=50 6=300 S2=3.00 2 (50+6)=336 S=S1+S2=300+336=636 k=115/100=2017=0.85 x=0.50 k S=0.50 0.85 636=270.3 Eur

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