SOLUTION: An airplane flies from New Orleans to Atlanta at an average rate of 320 mph. The airplane then returns at an average rate of 280 mph. The total travel time is 3 hours. How long d

Question 75518: An airplane flies from New Orleans to Atlanta at an average rate of 320 mph. The airplane then returns at an average rate of 280 mph. The total travel time is 3 hours. How long did it take the plane to make the return trip.
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
distance = rate X time...the distances are the same so (rate out)X(time out)=(rate back)X(time back)...let x=(time back)

(time out)+(time back)=3...so (time out)=3-(time back)

320*(3-x)=280*x...or 960-320x=280x...or 960=600x...so x=1.6 hrs...or 1 hr 36 min
RELATED QUESTIONS
An airplane flies from New Orleans,Louisiana, to Atlanta, Georgia, at an average rate of... (answered by ankor@dixie-net.com)

An airplane flies from New Orleans, Louisiana, to Atlanta, Georgia, at an average rate of (answered by Alan3354)

An airplane flies from New Orleans, Louisiana, to Atlanta, Georgia, at an average rate of (answered by ankor@dixie-net.com)

An airplane flies from New Orleans to Atlanta at a rate of 320 miles per hour. The... (answered by mananth,FrankM)

An air plain flies from new Orleans to Atlanta at an average rate of 320 mph. The air... (answered by Math_prodigy)

An airplane flies out of New Orleans to Atlanta at a rate of 320 mph. It returns at a... (answered by FrankM,Alan3354)

Please help me. No matter how hard I try I can't solve this problem. Write an equation... (answered by vleith)

A jet flies from New York to Atlanta at an average rate of 420 mph. On the return trip,... (answered by jim_thompson5910)

A plane flies from Worcester to Chicago at an average rate of 380 mph and returns along... (answered by richwmiller)