Question
The mass of 10 textbooks and 3 colouring books is 1.46 kg. The mass of 4 textbooks and 9 colouring books is 1.52 kg. Find the mass of each colouring book.
4 m

Click button first when a symbol is required. X

The mass of 10 textbooks and 3 colouring books is 1.46 kg. The mass of 4 textbooks and 9 colouring books is 1.52 kg. Find the mass of each colouring book.