Over July 16, 1882, a massive thunderstorm over Dubuque, Iowa, produced huge hailstones. The diameter of some of the hailstones was 17 inches. Ice weighs about 0.033 lb/in³. What was the approximate weight of these hailstones to the nearest pound?
The book has the answer of 85 lbs.
I need help in trying to solve it, please help???