A tank initially contains 100 liters of water. Water is added at a rate of 5 liters per minute, while 2 liters per minute are drained. How much water is in the tank after 12 minutes?

Wed, 06 May 2026 09:00:57 +0000

**How a Tank Fills: The Science Behind Steady Water Levels** What happens when 100 liters of water sits in a tank, 5 liters trickle in every minute, and 2 liters quietly slip out? That steady increase surprises many—and the real story behind the numbers matters more than the math alone. In today’s world, where precise measurements shape everything from home maintenance to industrial operations, understanding how such systems evolve offers both clarity and confidence. This simple tank scenario reveals fundamental principles of flow rates that professionals rely on and curious users want to know. **A Tank Initially Contains 100 Liters. Water Is Added at 5 Liters Per Minute. While 2 Liters Are Drained. How Much Water Is There After 12 Minutes?**
The tank begins with 100 liters. Each minute, it gains 5 liters but loses 2, resulting in a net gain of 3 liters per minute. Over 12 minutes, this pattern unfolds in a predictable way—mathematical consistency fuels trust in systems designed for precision. After 12 minutes, the total added water equals 5 liters per minute multiplied by 12 minutes: 60 liters. Meanwhile, 2 liters drain each minute, totaling 24 liters gone. Starting at 100 liters, adding 60 and subtracting 24 gives 136 liters. The tank outcome is steady, reliable—exactly what modern infrastructure depends on.