The perimeter of a rectangular garden is 90 m. If the width is 7 m less than the length, find the length of the garden.
Let the length of the garden be x, then, the width = x - 7
perimeter of rectangle = 2(L + B) = 90 m
= 2(x + x - 7) = 90
= 2x - 7 = 45 ( after dividing through by 2)
= 2x = 45 + 7 = 52
x = \(\frac{52}{2}\) = 26 m
Thus, the length of the rectangular garden = 26 m.
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