VTMO 2026 - Grade 3 - Semifinal - SET 7 - Self-study Question 21

Parking at a shopping centre costs 35 thousand đồng for the first two hours and 10 thousand đồng for each subsequent hour. Quang’s father parks from 7:15 a.m. to 5:15 p.m. on the same day. How many thousand đồng must he pay?