Answer:
Rinzin is older.
Step-by-step explanation:
Pema is 85 months old.
Let's convert Rinzin's age to months.
1 year = 12 months
7 2/3 years = (7 × 12 + 2/3 × 12) months = (84 + 8) months = 92 months
Rinzin is 92 months old.
Pema is 85 months old.
92 > 85
Answer: Rinzin is older.