How do you solve this i’m doing corrections!

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.

If jaime wants to find 60% of 320, which table should he use?

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?