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

Correct result:

x =  270.3 Eur


S1=50 6=300 S2=3.00 2 (50+6)=336 S=S1+S2=300+336=636 k=115/100=1720=0.85 x=0.50 k S=0.50 0.85 636=270310=270310 Eur=270.3 Eur

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