Description:
This will be no solution because when we add 10 to both sides of the equation then simplify it. After that we will subtract 6 from both sides. It will give us no solution. For more info please see the attachment.
Answer: No solution
Hope this helps.
The first one, SAS Postulate
Statement A is correct.
7.99m is the unit rate for how much you will pay for each pound of meat.
5.99c is the unit rate for how much you will pay for each pound of cheese.