The required graph is attached.
Answer:
100 miles
Step-by-step explanation:
Hope this helps
The perimeter is 16 inches.
steps
(x) = 5x^2-3x+7
refine
x=5x^2-3x+7
Switch sides
5x^2-3x+7-x=x-x
Subtract x from both sides
5x^2-4x+7=0
Solve with the quadratic formula