SOLUTION: two planes, one going north and one going south, depart simultaneously from the same airport. If they travel at 450 km/h and 620 km/h respectively, how many hours will pass before
Algebra.Com
Question 499530: two planes, one going north and one going south, depart simultaneously from the same airport. If they travel at 450 km/h and 620 km/h respectively, how many hours will pass before they are 2800 km apart??
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
Car I -------- 450 km/h
Car II -------- 620 km/h
they are traveling away from each other
so add up speeds
620 + 450 = 1070 km/h
Distance = 2800 km
time = d/r
time= 2800 / 1070
Time = 2.62 h
RELATED QUESTIONS
Two planes leave an airport at the same time. One is flying south at 450 mph, and the (answered by checkley79)
Two planes leave an airport at 8 a.m., one flying north at 480 km/h and the other flying... (answered by drj)
Two planes leave an airport at 2 pm, one flying south at 450 km/hr, the other flying... (answered by stanbon)
two planes leave an airport at the same time, one flying north at 450 mph and the other... (answered by Cromlix)
two planes leave and airport one traveling north at 950 km/h and the other south at 850... (answered by stanbon)
Two planes leave airport at the same time (from different runways). If three hours later (answered by josgarithmetic)
Two planes travel towards one another from cities that are about 450 km apart at rates of (answered by nerdybill)
Two airplanes depart simultaneously from an airport. One flies due south; the other... (answered by ankor@dixie-net.com)
Two trains depart a train station traveling in opposite directions. the one traveling... (answered by TimothyLamb)