The weight of a big metal ball is 45 kg. What is the weight of a small metal ball?
A 12 kg
B 10 kg
C 15 kg
D 30 kg
please explan the example
The weight of a big metal ball is 45 kg. What is the weight of a small metal ball?
A 12 kg
B 10 kg
C 15 kg
D 30 kg