📅 2026-06-27
Daily Math Challenge
A light bulb uses 60 watts. If it runs 4 hours per day, how many watt-hours per day?
Answer
240 watt-hours
📝 Step-by-Step Solution
1
Power: 60 watts
2
Time: 4 hours
3
Energy: 60 × 4 = 240 watt-hours
💡 Helpful Hints
• Multiply power by time
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