Explain how to convert a fraction to a percent

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.

Will give a: 122 b: 90 c: 48 d: 180

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities