Given :
A restaurant had 3 full boxes of spoons and 4/6 of a box.
Each full box weighed 2 kilograms .
To Find :
The combined weight of the boxes the restaurant has.
Solution :
Mass of 1 box is 2 kg .
So , mass of 4/6 of a box is 4/3 kg .
Total mass :

Therefore , the combined weight of the boxes the restaurant has is 7.33 kg.
Hence , this is the required solution .