a can with 40 marbles in it weighed the 135 grams. The same can with 20 marbles weighed 75 grams. how much does each marble weigh?. what is the weight of the can?.
A can with 40 marbles in it weighed the 135 grams. The same can with 20 marbles weighed 75 grams. how much does each marble weigh?. what is the weight of the can?.