Practice!

Sample Problem

Mr. Jack bought 5 identical bags of salt, which weigh 900 g in total. If he bought 3 more such bags of salt, what was the total mass of all the salt Mr. Jack bought?

  g

Solution

The total mass of each bag of salt: 900 g ÷ 5 = 180 g

Thus, 180 g x (5 + 3) = 1,440 g