600 grams = 0.6 kilograms
0.6 x 4 = 2.4 kilograms
Can you repost with the picture please
You can find additive inverse to find integers and their opposites closed under addition.
1/3x+11.
1/3 of a number can be shown as 1/3x, since the number is not identified.
We can represent 11 more as +11.
This, our expression is 1/3x+11
Hope this helps!