Area of a rectangle

Area of a rectangular garden ●○○○○ 10 ptsThe perimeter of a rectangular garden is 60 feet. If the length of the garden is twice the width, find the area of the garden, in square feet.
Dimensions of a rectangular patio ●○○○○ 10 ptsThe perimeter of a rectangular outdoor patio is $60$ ft. The length is $4$ ft greater than the width. Find the width and the length of the patio, in feet.
Length of a rectangular driveway ●○○○○ 10 ptsA rectangular concrete driveway has a perimeter of 108 ft and a width of 12 ft. Find its length in feet.
Garden dimensions from perimeter and area ●●○○○ 20 ptsA rectangular garden has a perimeter of 68 ft and an area of 240 ft $^2$ . Find its length and width. Give the width (the smaller value) first, then the length.
Length and width of an accent wall ●●○○○ 20 ptsA wall has a length that is 3 ft more than its width. The wall has an area of 130 ft². Find the length and the width of the wall, in feet. Round to three decimal places.
Length of a rectangular patio ●●○○○ 20 ptsA rectangular patio has an area of 432 square feet. Its width is $\frac{3}{4}$ of its length. Find the length of the patio in feet.
Longest girder around a corner ●●●○○ 50 ptsA steel girder of negligible width is moved along a passage 27 feet wide and then around a right-angle corner into a corridor 64 feet wide. Find the length of the longest girder that can be moved around the corner.

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