Mr. Thomas cooked 36 hamburgers and hot dogs at a cookout. He cooked twice as many hot dogs as hamburgers. How many hamburgers and hot dogs were cooked?
(Use Substitution)
A. (24 hamburgers, 12 hot dogs)
B. (12 hamburgers, 24 hot dogs)
C. (6 hamburgers, 12 hot dogs)
D. (12 hamburgers, 6 hot dogs)