The length of a rectangular garden abcd is 9 feet more than its width. it is surrounded by a brick walkway 4 feet wide as shown below. suppose the total area of the walkway is 400 square feet. what are the dimensions of the garden? i keep trying to do it but it doesn't work.

The dimensions of the garden are

Length  and Width

Step-by-step explanation:

Let

x----> the length of the rectangular garden

y ---> the width of the rectangular garden

Aw ----> the area of the walkway

we know that

----> equation A

so

----> equation B

Substitute equation A in equation B

Find the value of x

therefore

The dimensions of the garden are

Length

Width

more detail

step-by-step explanation:

answer:   b

step-by-step explanation:

x2 = 16

x can not be a negative number because 16 is positive

the only answer would be positive 8