9514 1404 393
Answer:
1 1/5 hours walking to 1 hour jogging
Explanation:
You can multiply by 3 to eliminate the fraction, then reduce in the usual way.
4 ÷ (3 1/3)
= 12 ÷ 10 . . . . . . . multiply both numbers by 3
= 1 2/10 = 1 1/5 . . . . do the division by 10