Gross and Net Mass Problem Solving

The cereal has a net mass of 250g but the cardboard box packaging has a mass of 70g. What is the gross mass of the cereal?

• 180 g

• 320 g

• 330 g

• 290 g

A bar of soap has a mass of 120 g. What would be the gross mass of 5 bars of soap in a cardboard box if the cardboard box has a mass of 55 g?

• 655 g

• 545 g

• 180 g

• 650 g

A golf ball has a mass of 45 g. The box that they come in has a mass of 40 g. What is the gross mass of 8 golf balls packed in one box?

• 360 g

• 400 g

• 320 g

• 370 g

A pencil has a mass of 5 g. What would be the gross mass of a box of twelve pencils if the box has a mass of 18 g?

• 60 g

• 88 g

• 78 g

• 70 g

A super set of 36 pencils with a net mass of 5 g each is sold in a metal case. If the gross mass of the package is 580 g, what is the mass of the metal case?

• 980 g

• 400 g

• 500 g

• 420 g

Peter bought 20 small apples in a cardboard box. If the mass of the box is 400 g and the gross mass of the apples and box is 4 400 g. What is the average mass of each apple?

• 250 g

• 220 g

• 200 g

• 100 g