a store is selling cookies for $8 for 12 bags. how much will it cost if you want to buy 30 for your class?
2 answers:
You might be interested in
<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.
Check picture bellow</span>
Check picture bellow</span>