<em>The word usage in last sentence of the question is not well presented. However, I can understand that you intend to solve for the width of the park</em>
Answer:

Step-by-step explanation:
Given


Required
Determine the Width
For a rectangle:

Substitute for Area and Length

Multiply both sides by 





X-3y=-15
-3y=-x-15
-1(-3y=-x-15)
3y=x+15
3/3y=1/3x+15/3
y=1/3x+5
Step-by-step explanation:
z= 21/12
divide bothside by 12
shekinan
A. Surveying the students about their favorite type of math problem.
and
C. Sampling water for contaminants
Answer:
12.0
Step-by-step explanation: