Question
A box containing 75 rulers had a mass of 12.75 kg. A box containing 25 folders has a mass of 16.75 kg. The mass of each folder was four times that of each ruler. Find the mass of the empty box in grams.
4 m

Click button first when a symbol is required. X

A box containing 75 rulers had a mass of 12.75 kg. A box containing 25 folders has a mass of 16.75 kg. The mass of each folder was four times that of each ruler. Find the mass of the empty box in grams.