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vodka [1.7K]
3 years ago
14

Marissa has 64 feet of fencing. She is using the fencing to border a rectangular flower garden. Marissa wants the length of the

garden to be 20 feet. If she uses all of the fencing, what will be the width of the rectangular garden? 7 feet 20 feet a. To solve the problem, do you use perimeter or area? Explain how you know.​
Mathematics
1 answer:
Maslowich3 years ago
6 0

Answer:

240

Step-by-step explanation:

Assign Variables:

(I will choose mine a little bit differently)

d = length of garden

d = 20 feet

w = width of garden

A = area of garden

Equations and Solution:

A=d%2Aw and perimeter given as 64 feet means 2d%2B2w=64.

We know what is the d value, so we want to solve for w.

-

2w=64-2d

w=32-d

w=32-20

highlight%28w=12%29 feet

-

FINDING AREA VALUE

A=d%2Aw

A=20%2A12

highlight%28A=240%29 square feet

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