Swimming 8077

The swimming pool is 25 m long, 12 m wide, and 2 m deep. The walls and bottom of the pool require regular cleaning. The form that cleans the pool charges CZK 50 per 1 square meter.
How much does the owner pay for cleaning the pool?

Correct answer:

x =  22400 Kc

Step-by-step explanation:

a=25 m b=12 m c=2 m p=50 CZK/m2  S=a b+2 (a+b) c=25 12+2 (25+12) 2=448 m2  x=p S=50 448=22400 Kc

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