SOLUTION: An airplane flies from New Orleans, Louisiana, to Atlanta, Georgia, at an average rate of 320 miles per hour. The airplane then returns at an average rate of 280 miles per hour.

Question 543149: An airplane flies from New Orleans, Louisiana, to Atlanta, Georgia, at an average rate of 320 miles per hour. The airplane then returns at an average rate of 280 miles per hour. The total travel time is 3 hours. How long was the flight from New Orleans to Atlanta?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
An airplane flies from New Orleans, Louisiana, to Atlanta, Georgia, at an average rate of 320 miles per hour.
The airplane then returns at an average rate of 280 miles per hour.
The total travel time is 3 hours.
How long was the flight from New Orleans to Atlanta?
:
Find the distance first, then it is an easy calculation to find the flight times
:
Let d = the one-way distance
:
Write a time equation; time = dist/speed
:
To time + return time = 3 hrs
+ = 3
Multiply by the LCM of the denominators, 2240
2240* + 2240 = 2240(3)
Cancel the denominators, you have
7d + 8d = 6720
15d = 6720
d = 6720/15
d = 448 mi
:
Find the time N.O. to Atl
= 1.4 hrs
:

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