The formula for circumference is 2(pi)r, so first you would divide by 2, which is 56.52 (about) then divide by pi and you get 18. So the radius is 18, so multiply 18 by 2 and you get 36.
So therefore, the diameter is 36 inches
16 days
you cross multiply then divided by 10
She spent 6.265 pounds, if you round it to the nearest hundredth, it would be 6.27 pounds
