Answer:
Step-by-step explanation:
Well, the 1 is in the tens place. Soooo then you add the three and then add a 0, the answer will be 30% (Sorry if that didn't make sense I tried!)
We know the answer is B, because we would need to divide the 20 by 4 and the 12 by 4 in order to see the equal amounts of balls each friend has.
The radius is 3.27 cm, because I used the formula in reverse.
