Tim is 5 years old. His cousin, Rommel, is thrice as old as he is. His other cousin, Jenny, is 2 years older than Rommel. How many years younger is Tim than Jenny?
Stream of thoughts:
12
Rommel is 5 x 3 = 15 years old.

Jenny is 15 + 2 = 17 years old.

So, Tim is 17 - 5 = 12 years younger than Jenny.

.

So, the final answer is 12