because part always goes over whole 525 is only 40% you have to do 525x100 and you will get 52500. After that, you have to divide it by 40 and that's how you get your answer. at least that's how my teacher taught us.
<span>You will need to weight those balls only twice.
You weight 6 balls, 3 on one side of weight and 3 on another, and other
3 balls you have are in your hand.
