Answer:
2) (1/3)x + 15 = 45
Explanation:
Given that,
→ Katelynn's commute takes 15 minutes more than 1/3 as many min as Petra's.
→ It takes Katelynn 45 minutes.
Then the equation will be,
→ (1/3) times + 15 = 45
→ (1/3)x + 15 = 45
Hence, option (2) is correct.