Question

You have a flower bed that is 32 ft2 and you know that the length is twice as long as the width. You want to edge your area with 1 ft. long bricks. How many bricks will you need?

Answer 1

To find the number of bricks needed to edge the flower bed, we first need to find the perimeter of the flower bed. Then we can calculate the number of bricks needed based on the perimeter. The width of the flower bed is found using the given area.

Step-by-step explanation:

To find the number of bricks needed to edge the flower bed, we first need to find the perimeter of the flower bed. Let's say the width of the flower bed is 'w'.

Since the length is twice as long as the width, the length would be '2w'. The perimeter of a rectangle is given by 2*(length + width).

So, the perimeter of the flower bed would be 2*(2w + w) = 6w.

Since we want to edge the area with 1 ft. long bricks, the number of bricks needed would be equal to the perimeter of the flower bed.

So, the number of bricks needed would be 6w.

To find 'w', we need to use the fact that the area of the flower bed is 32 ft^2.

The area of a rectangle is given by length*width. So, 2w*w = 32.

Simplifying this equation, we get w^2 = 16. Taking the square root of both sides, we get w = 4.

Therefore, the width of the flower bed is 4 ft. and the number of bricks needed would be 6*4 = 24 bricks.