Primary 6 Problem Sums/Word Problems - Try FREE

Score :
(Single Attempt)


Jess has a box that is used to contain her school books.

When it was 0.75 filled, the box is 2.4 kg lighter than when it is full.

She opened the box and found 12 similar sized books.

The mass of each book is 0.05 of the mass of the box when it is completely filled with books.

What is the mass of the box with 12 books?


Notes to student:

  1. Round your answer off to 2 decimal places
The correct answer is : 9.6