Question
The mass of 6 guide books and 7 textbooks is 1.85 kg. The mass of 4 guide books and 9 textbooks is 1.71 kg. Find the mass of each textbook.
4 m

Click button first when a symbol is required. X

The mass of 6 guide books and 7 textbooks is 1.85 kg. The mass of 4 guide books and 9 textbooks is 1.71 kg. Find the mass of each textbook.