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### Primary 4 Problem Sums/Word Problems - Try FREE

- Whole numbers: Get the lowdown on whole numbers! It's easy if you can do these... > Whole Numbers Exercise 7 > 1
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**Question
1 of 4**

There are 5 identical boxes and 3 identical bags in a storeroom.

Each bag has a mass that is thrice that of a box.

If the total mass of the bags is 12 kg more than the total mass of the boxes, what is the mass of a bag?

The correct answer is :

**9**