Answer :
Answer: 54
Step-by-step explanation: if each rock weighs 12 kilo and there are 4, you multiply 4 and 12. Then you add the other six that he lifted above his head that is the box. You should get 54
Answer: 54
Step-by-step explanation: if each rock weighs 12 kilo and there are 4, you multiply 4 and 12. Then you add the other six that he lifted above his head that is the box. You should get 54