time distance speed problems middle school
at 40 km/h. If they are initially 120 km apart, how long until they meet? Solution: Combined speed = 60 + 40 = 100 km/h Time to meet = Distance ÷ Combined speed = 120 km ÷ 100 km/h = 1.2 hours (or 1 hour 12 minutes) 5. One Object Overtaking Another These problems involve relative s