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A construction company builds a swimming pool with a perimeter of 54 m. The length is 3 m more than the width. Find the dimensions of the swimming pool?

Sagot :

2 x(3 + 2 x x ) = 54

2(3 + 2x)
6+4x=54

4x = 54-6
4x = 48
4x/4 = 48/4
x = 12