# algebra/math

posted by .

the length of a rectangular flower bed is 7 feet less than 3 times its width. the area of the bed is 20 feet squared. find the dimensions of the flower bed.

• algebra/math -

w(3w-7) = 20
w=4

check: 4*(3*4-7) = 4*5 = 20

## Similar Questions

1. ### Advance Math

The path around a square flower bed is 3 feet wide. If the area of the flower bed is equal to the area of the path, find the dimensions of the flower bed.
2. ### Gr10 math

A rectangular lawn measuring 8m by 4m is surrounded by a flower bed of uniform width. The combined area of the lawn and the flower bed is 165m^2. What is the width of the flower bed?
3. ### geometry

A flower bed in the corner of your yard is in shape of a right triangle. The perpendicular sides of the bed measure 6 feet 8 inches and 8 feet 4 inches. Calculate the area of the flower bed.
4. ### Liz

A rectangular lawn measuring 8m by 4m is surrounded by a flower bed of uniform width. The combined area of the lawn and the flower bed is 165cm^2. What is the width of the flower bed
5. ### Math

Mark is building a custom wooden frame around his flower bed.The length of the frame is 5.45 feet, and the width of the frame is3.275 feet. What is the area of the flower bed without rounding?
6. ### math

A rectangular flower bed has an area of 3 1/2 square yards. The width of the flower bed is 3/4 yard. What is the length of the rectangular flower bed?
7. ### Math

Mariah has a flower bed that is 10 feet long and 5 feet wide. She wants to put a fence around the flower bed to keep the deer from eating her flowers. She also wants to leave enough space to walk between the fence and the flower bed. …
8. ### Geometry

Henry has a patio next to his house that is 15ft by 10ft. He wants to put a uniform flower bed around three sides of the patio. The area of the flower bed is 100 ft^2. What is the width of the flower bed?
9. ### geometry

a landscaper is creating a rectangle flower bed such that the width is half the length.the area of the flower bed is 34 square feet.
10. ### Math

23. Lois built a rectangular flower bed. She used four boards for the border of the flower bed. Two of the boards were 4 feet long. The other boards were 8 feet long. a. What was the area of the flower bed using these boards?

More Similar Questions

Post a New Question