Matthew is making 1/6 pound of spaghetti for himself for dinner. However, he remembers that his entire family is coming over for dinner and adds an extra 3/4 pound of spaghetti. Therefore, he is making a total of 5/12 pound of spaghetti for the dinner. a. Matthew is making 1/6 pound of spaghetti for himself for dinner. b. Matthew adds an extra 3/4 pound of spaghetti for his family dinner. c. Matthew is making a total of 5/12 pound of spaghetti for the dinner. d. The total amount of spaghetti for the dinner is 5/12 - 1/6 + 3/4 pounds.