Your town is building a circular ice rink with a diameter of 100 feet. around the ice rink will be a walkway that is 10 feet wide. what is the approximate area of the walkway?

Area=pir^2 d/2=r all-rink=walkway all diameter=100+10+10 (because 2 sides of the rink) all radius=120/2=60 area =pir^2 area=pi60^2 area=3600pi rink diameter=100 rink radius=100/2=50 area=pi50^2 area=2500pi walkway=all-rink walkway=3600pi-2500pi walkway=1100pi if aprox pi=3.14 walkway=3454 ft^2

24 students walk to school

Is a for each hour he works,his earnings go up by $4