SOLUTION: Two cities are 2400 miles apart. A plane leaves one of them, traveling towards the other at an average speed of 400 miles per hour. At the same time a plane leaves the other, trave
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Question 259710: Two cities are 2400 miles apart. A plane leaves one of them, traveling towards the other at an average speed of 400 miles per hour. At the same time a plane leaves the other, traveling towards the first, at an average speed of 400 miles per hour. How long will it take them to meet? It takes them [3] hours to meet?
Found 2 solutions by nerdybill, checkley77:
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
Two cities are 2400 miles apart. A plane leaves one of them, traveling towards the other at an average speed of 400 miles per hour. At the same time a plane leaves the other, traveling towards the first, at an average speed of 400 miles per hour. How long will it take them to meet? It takes them _________ hours to meet?
.
Applying the "distance formula" of d =rt
.
Let t = time traveled
then
400t + 400t = 2400
800t = 2400
t = 2400/800
t = 3 hours
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
D=RT
2,400=(400+400)T
2,400=800T
T=2,400/800
T=3 HOURS THEY WILL MEET.
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