Hello, mjfaris!

Did you make a sketch?

You put in a flower bed measuring 10 feet by 12 feet.

You plan to surround the bed with a uniform border of low-growing plants.

(a) Write a polynomial that describes the area of the uniform border that surrounds the bed.

Explain what you did and why.

(b) The plants in the border require 1 ft² each when mature.

If you have 168 of these plants, how wide should the border be? Code:

: x : 12 : x :
- * - - - - - - - - *
x | |
- | * - - - - * |
| | 12 | |
10 | |10 | | 2x+10
| | | |
- | * - - - - * |
x | |
- * - - - - - - - - *
2x+12

The inner bed is 10-by-12 feet.

. . Its area is: . ft².

The border is feet wide.

The length of the entire garden is: feet.

The width of the entire garden is: feet.

. . Its area is: . ft².

So, we have: .

Can you finish it now?