Paint the walls

It is necessary to paint the walls and ceiling of the warehouse, which is 10 m long, 4 m wide, and 3 m high. How many CZK (Czech crowns) will it cost to paint if it costs 200 CZK to paint 1 m2?

Correct answer:

x =  24800 Kc

Step-by-step explanation:

a=10 m b=4 m c=3 m  o=2 (a+b)=2 (10+4)=28 m  S=a b+o c=10 4+28 3=124 m2  x=200 S=200 124=24800 Kc



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