📅 2026-06-05
Daily Math Challenge
A gas occupies 500 mL at 20°C. If heated to 40°C (keeping pressure constant), it expands to 550 mL. By what percentage did the volume increase?
Answer
10 percent
📝 Step-by-Step Solution
1
Original: 500 mL
2
New: 550 mL
3
Increase: 550 - 500 = 50 mL
4
Percentage: (50 ÷ 500) × 100 = 10%
💡 Helpful Hints
• Find the increase amount
• Divide by original and multiply by 100
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