House Insulation Cost

The Drapers inherited a cube-shaped house from their grandmother, which occupied 121 m² of land. They want to insulate the perimeter walls. How many euros will they pay for the material if 1 m² of material costs 11 euros and 15% of the facade area consists of windows and doors?

Final Answer:

x =  4525.4 Eur

Step-by-step explanation:

S1=121 m2 a=S1=121=11 m  S2=4 S1=4 121=484 m2  q=110015=1001 10010015=10010010015=10010015=10085=2017=0.85  x=11 q S2=11 2017 484=522627 Eur=4525.4 Eur



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