Playground

Fencing square playground cost € 464; 1 meter cost € 19. What is the area of the playground?

Correct result:

x =  37.27 m2

Solution:

464=4⋅19⋅a a=6.105 m x=a2 x=(464/19/4)2=37.27 m2464 = 4 \cdot 19 \cdot a \ \\ a = 6.105 \ m \ \\ x = a^2 \ \\ x = (464/19/4)^2 = 37.27 \ \text{m}^2

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