I would try using a table. It might work better.
The first one means what is the smallest number that goes into 12 which would be 4. The second one mean what does not go into 4 and 6 so that would be 8 because 6 is not a multiple of 8.The third one is either 1 or 2 not sure. And the 4th one is little complicated you might want to look up video on prime factorization that can really help you .
-1x+9
heres the answer hope it helps
Answer:
12 cups of flour
Step-by-step explanation:
if 8 cups of flour=4 cups of sugar what about 6 cups of sugar.you cross multiply.