the anwser is
Step-by-step explanation:
the anwser is 5 kg
I suggest reading them over and over again to remember them. I know it sounds annoying, but trust me, it'll pay off.
8k-4k+4+7-k =
8k-4k-k+4+7 =
3k+11
A mixed number is a number that has a whole number, and a fraction, so the mixed number that is equal to 7.6 is 7 6/10, simplified it would be 7 3/5