Just divide -6x+10 by -2 and take out what's common.
-6x divided by -2 would be
3x.
10 divided by -2 would be
-5.
So the answer is
-2(3x-5).
The probability of this question is 1/2
There are 1000 grams in a kg - so the dog weighs 15,000 grams. Add that to the collar weight (200g) and you get 15,200 grams.