SOLUTION: Two remotely controlled unmanned aircraft are launched in opposite directions. One flies east at 72 mph and the other west at 88 mph. How long will it take the aircraft to fly a co
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Question 1132799: Two remotely controlled unmanned aircraft are launched in opposite directions. One flies east at 72 mph and the other west at 88 mph. How long will it take the aircraft to fly a combined distance of 720 miles Answer by ikleyn(52790) (Show Source):
The rate of increasing the distance between them is the sum 72 mph + 88 mph = 160 mph.
Hence the time of getting the combined distance of 720 miles is = = 4.5 hours = 4 hours and 30 minutes. ANSWER
