Mathematics – WHICH IS THE BETTER DEAL

• John decided to travel from Da Nang to Nha Trang. Nha Trang — a resort city with beaches, islands, and diving; one of the most popular seaside destinations (about 500,000 people). It is located approximately 520 km away. The price of gasoline is 20,000 VND per liter. If the car consumes 8 liters per 100 km: How many liters of gasoline are needed to reach Nha Trang? How much will it cost? How long will the trip take if the average speed is 80 km/h?
  solve the task
• Vova decided to travel from Da Nang to Hanoi. Hanoi — the capital of Vietnam (about 8,000,000 people), famous for the Old Quarter, lakes, and colonial architecture. It is located approximately 760 km away. The price of gasoline is 20,000 VND per liter. If the car consumes 8 liters per 100 km: How many liters of gasoline are needed to reach Hanoi? How much will it cost? How long will the trip take if the average speed is 80 km/h?
  solve the task
• Bill decided to travel from Da Nang to Hue. Hue — a former imperial capital with the Citadel, pagodas, and emperors’ tombs; population about 350,000. It is located approximately 100 km away. The price of gasoline is 20,000 VND per liter. If the car consumes 10 liters per 100 km: How many liters of gasoline are needed to reach Hue? How much will it cost? How long will the trip take if the average speed is 70 km/h?
  solve the task
• Jack decided to travel from Da Nang to Hoi An. Hoi An — a historic trading port known for lanterns and preserved architecture; population about 120,000. It is located approximately 30 km away. The price of gasoline is 20,000 VND per liter. If the car consumes 7 liters per 100 km: How many liters of gasoline are needed to reach Hoi An? How much will it cost? How long will the trip take if the average speed is 90 km/h?
  solve the task
• Anna decided to travel from Da Nang to Da Lat. Da Lat — a highland city with a cool climate, lakes, waterfalls, and French-era villas; population about 250,000. It is located approximately 650 km away. The price of gasoline is 20,000 VND per liter. If the car consumes 6 liters per 100 km: How many liters of gasoline are needed to reach Da Lat? How much will it cost? How long will the trip take if the average speed is 100 km/h?
  solve the task
• Rebeca decided to travel from Da Nang to Quy Nhon. Quy Nhon — a quieter seaside city with beautiful beaches and a calm atmosphere; population about 300,000. It is located approximately 320 km away. The price of gasoline is 20,000 VND per liter. If the car consumes 11 liters per 100 km: How many liters of gasoline are needed to reach Quy Nhon? How much will it cost? How long will the trip take if the average speed is 100 km/h?
  solve the task
• Tom decided to travel from Da Nang to Phong Nha–Ke Bang National Park. Phong Nha–Ke Bang National Park — a world-famous protected area home to some of the largest caves on Earth. It is located approximately 300 km away. The price of gasoline is 20,000 VND per liter. If the car consumes 6 liters per 100 km: How many liters of gasoline are needed to reach Phong Nha–Ke Bang National Park? How much will it cost? How long will the trip take if the average speed is 7 km/h?
  solve the task
• Kate decided to travel from Da Nang to Ninh Binh. Ninh Binh — a city known for scenic karst landscapes, rice paddies, and river routes; population about 160,000. It is located approximately 600 km away. The price of gasoline is 20,000 VND per liter. If the car consumes 5 liters per 100 km: How many liters of gasoline are needed to reach Ninh Binh? How much will it cost? How long will the trip take if the average speed is 80 km/h?
  solve the task
• Bill decided to travel from Da Nang to Ho Chi Minh City (Saigon). Ho Chi Minh City — the largest city in southern Vietnam with a population of about 14,000,000. It is the country’s business hub, rich in historical and cultural landmarks. It is located approximately 930 km away. The price of gasoline is 20,000 VND per liter. If the car consumes 4 liters per 100 km: How many liters of gasoline are needed to reach Ho Chi Minh City? How much will it cost? How long will the trip take if the average speed is 90 km/h?
  solve the task
• Maria decided to travel from Da Nang to Phu Quoc Island. Phu Quoc — Vietnam’s largest island, known for palm-fringed beaches, coral reefs, and relaxed resort towns. It is located approximately 1,340 km away (by road & ferry). The price of gasoline is 20,000 VND per liter. If the car consumes 7 liters per 100 km: How many liters of gasoline are needed to reach Phu Quoc? How much will it cost? How long will the trip take if the average speed is 85 km/h?
  solve the task