The diameter is the distance from one side of a circle to the other, if you cross through the center. The circumference is the distance around the circle. The circumference is equal to two time pi time the radius (C=2*pi*r)
Answer:
x=22+8 and x+22=8nd 8=22_x
simplify to 1 hour which will be 6 minutes in 1 hour
in 3 hours it will be 18 minutes