SOLUTION: 2) Lucknow is at distance of 300 km from Varanasi.A car starts from Varanasi at a speed of 30km/hour for Lucknow.A second car starts from Lucknow for Varanasi at a speed of 60 km/h
Question 1091720: 2) Lucknow is at distance of 300 km from Varanasi.A car starts from Varanasi at a speed of 30km/hour for Lucknow.A second car starts from Lucknow for Varanasi at a speed of 60 km/hour at the same time.Find the time after which both cars meet each other Answer by ikleyn(52794) (Show Source):
The time = = = hours = 3 hours and 20 minutes.
Since thy move toward each other, the relative speed is 30 = 60 = 90 km/h.
It means that the distance between them
decreasing at the rate of 90 miles per hour.
From the over side, yo know the formula time = .
In this way you get the final formula and the final result.
