Answer:

Step-by-step explanation:
From the question we are told that:
Diameter 
Number of times jogged
Generally the equation for Distance traveled is mathematically given by
D=Circumference of Park * Number of times jogged
Where
Circumference of Park c is mathematically give as



Therefore



A=2-b
2-b/b=3
2-b=3b
B=1/2
A=3/2
A-b=3/2-1/2=1
Answer is 1

and

Seems like thier perimeters are equal.
21/49 in simplist from would be 3/7.
Your answer is <em>3/7</em>
The 3 hour Cindy will finish 4 different puzzles
hope this helps