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Daily Math Challenge

📚 Distance ⭐ Hard 🎓 Grade 6-8
Two trains leave stations 450 km apart at the same time, traveling toward each other. One travels at 80 km/h and the other at 70 km/h. How long until they meet?
Answer
3 hours

📝 Step-by-Step Solution

1
Combined speed: 80 + 70 = 150 km/h
2
Distance: 450 km
3
Time = distance ÷ speed = 450 ÷ 150 = 3 hours
💡 Helpful Hints
• What is their combined speed?
• They are closing the gap together
• Divide distance by combined speed