Two airplanes leave the Atlanta airport at the same time, traveling in opposite directions. One plane travels 30 miles per hour faster than the other. after 3 hours, the planes are 3150 miles apart. what is the rate of each plane?
Answer here : http://web2.0calc.com/questions/two-airplanes-leave-the-atlanta-airport-at-the-same-time-traveling-in-opposite-directions-one-plane-travels-30-miles-per-hour-faster-than-the-other-after-3
+319 
