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Chris has 4 rocks that weighs 12 kilograms. He keeps them in a box that weighs 6 kilograms. He can lift all of the rocks in the box above his head at once.

Sagot :

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