# Trapped In Bellatrix's Lair

Geometry Level 1

In her underground lair, Bellatrix has captured three heroes and chained them to the floor. The length of the rectangular pool is $$50$$ m and the width of the pool is $$30$$ m.

As she waves her wand and adds $$5000 \text{ m}^3$$ of water to the pool, Bellatrix hears a loud noise and runs to the next room. How many of the heroes are completely underwater?

• Hermione is 1.65 meters tall
• Harry is 1.68 meters tall
• Ron is 1.75 meters tall
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