Question: A water treatment plant can purify 5000 liters of water in 2 hours. How many liters can it purify in 5 hours?
Options:
Correct Answer: 10000 liters
Solution:
Purification rate = 5000 liters/2 hours = 2500 liters/hour. In 5 hours: 2500 liters/hour * 5 hours = 12500 liters