Answer:
"Tomy" bought 3 packs of hot dogs and 4 packs of hot dog buns
Explanation:
One pack of hot dogs includes 12, one pack of buns includes 9
1: 12 - 9
2: 24 - 18
3: 36 - 27
4: 48 - 36
36 is a common number for both of them, so the number of packs to the left of 36 for each of them is the answer.