Question
A box containing 80 notebooks had a mass of 3.27 kg. A box containing 25 rulers has a mass of 3.87 kg. The mass of each ruler was four times that of each notebook. Find the mass of the empty box in grams.
4 m

Click button first when a symbol is required. X

A box containing 80 notebooks had a mass of 3.27 kg. A box containing 25 rulers has a mass of 3.87 kg. The mass of each ruler was four times that of each notebook. Find the mass of the empty box in grams.