Question
A container filled with 4 identical balls weighs 1400 g. The same container when filled with 3 identical marbles weighs 630 g. The mass of each ball is two times the mass of each marble. What is the mass of the container?
4 m

Click button first when a symbol is required. X

A container filled with 4 identical balls weighs 1400 g. The same container when filled with 3 identical marbles weighs 630 g. The mass of each ball is two times the mass of each marble. What is the mass of the container?