6=a/4 + 2 what is the answer to this?

Find the ratios of the corresponding sides

Mike wants to make meatloaf. his recipe uses a total of 8 pounds of meat. if he uses a 3 to 1 ratio of beef to pork, how much pork will he use? enter your answer as a mixed number in simplest terms.

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?