Lawns

Before a sports hall are two equally large rectangular lawns, each measuring 40 m and 12 m. Maintenance of 10m² lawn cost 45 CZK yearly. On each lawn is circular flowerbed with a diameter 8 meters. How much money is needed each year to take on lawn care? Result roundto the nearest CZK crown.

Correct result:

x =  3868

Solution:

x=2 (45/10) (40 12π (8/2)2)=3868 Kc



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