A tank initially contains 500 liters of water. Every hour, 10% of the water evaporates. How much water remains in the tank after 5 hours?

Mon, 04 May 2026 16:19:09 +0000

**The Quiet Math Behind Evaporation: What Happens When 500 Liters Start with a 10% Hourly Loss?** Ever wonder how water behaves when left unattended? Imagine a tank with 500 liters—twice a glass of water for most households. Now picture evaporation quietly draining it by 10% every hour. This simple yet revealing scenario reveals practical water loss dynamics shaping daily decisions across the U.S., especially in drought-prone regions and urban water management. Understanding how much water remains after 5 hours unlocks insight into conservation timing, storage planning, and long-term sustainability habits. **Why This Evaporation Scenario Is Getting Attention in the U.S.** Water scarcity is a growing conversation in American cities and homes alike. As summer heat intensifies evaporation rates and extreme weather strains infrastructure, tracking water retention in storage systems has become more relevant. This 500-liter tank with 10% hourly evaporation mirrors real-life situations—pool maintenance, irrigation reservoirs, rainwater catchment, or emergency supplies—making it a relatable and timely puzzle. People seeking practical science behind everyday phenomena are increasingly turning to clear, accurate explanations, especially on mobile devices where curiosity-driven searches peak during commutes or breaks.