📅 2026-05-30
Daily Math Challenge
A hiker walks 3.5 km uphill at 2 km/h, then 3.5 km downhill at 4 km/h. How long is the total hike?
Answer
2.625 hours
📝 Step-by-Step Solution
1
Uphill time: 3.5 ÷ 2 = 1.75 hours
2
Downhill time: 3.5 ÷ 4 = 0.875 hours
3
Total: 1.75 + 0.875 = 2.625 hours
💡 Helpful Hints
• Calculate time for each part separately
• Use time = distance ÷ speed
• Add both times
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