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Hi,

The perimeter of a rectangular garden is 290 feet. If the width of the garden is 66 feet,
what is its length
?
P = 2W + 2L = 2·66ft + 2x = 290ft
132ft + 2x = 290ft
2x = 158ft
x = 79ft
CHECKING our Answer***
2·66ft + 2·79ft = 290ft