Answer:
11/15
there ya go!!
Step-by-step explanation:
You would need to find the circumference(using the formula c=3.14r^2) of the tree which is 113.04 then you would have to divide it by 6 which is 18.84 which would round up to 19
Answer: 19 people
Jessica solved for the correct value of a, but Sally's review was incorrect.