SOLUTION: A plane leaves an airport flying north at 800 km/h. At the same time another plane leaves the same airport and flies south at 750 km/h. In how many hours will they be 4650 kilometr

Question 890973: A plane leaves an airport flying north at 800 km/h. At the same time another plane leaves the same airport and flies south at 750 km/h. In how many hours will they be 4650 kilometres apart?
Answer by JulietG(1812) (Show Source): You can put this solution on YOUR website!
Since they are flying directly opposite one another, we can add their speeds together to find out how far they fly in one hour.
800 kmh + 750 kmh = 1550 kmh
Each hour they are 1550 km further apart.
4650 / 1550 = 3 hours
RELATED QUESTIONS
A plane leaves an airport flying north at 800km/h. At the same time another plane leaves... (answered by Boreal)

an aeroplane leaves an airport and flies due north at a speed of 1800 km/hr. at the same... (answered by mananth)

A private airplane leaves an airport and flies due south at 192 km/h. Two hours later a... (answered by ptaylor)

A private airplan leaves an airport and flies due south at 192 km/h. Two hours later a... (answered by Alan3354)

A private airplane leaves an airport and flies due south at 192 km/h. Two hours later a... (answered by mananth)

At 5:00 PM a plane leaves an airport and flies due north at 588 km/h. At 6:00 PM a second (answered by Alan3354,nerdybill)

a private airplane leave an airport and flies due south at 192 km/h. 2 hours later a jet... (answered by jojo14344)

A private airplane leaves an airport and flies due north at 96 km/hr. 2 hours later, a... (answered by josgarithmetic)

a private airplane leaves an airport and flies due south at 192km/h. Two hours later a... (answered by mananth)