SOLUTION: An airline starts off on a trip with all engines running. It is going at a rate of 900 km per hour, after x hours it shuts down one engine and reduces its speed to 700 km per hour.

Question 64718This question is from textbook algebra 1
: An airline starts off on a trip with all engines running. It is going at a rate of 900 km per hour, after x hours it shuts down one engine and reduces its speed to 700 km per hour. The trip is a total of 3 hours long
How lonng should the pilot fly before shutting down one engine in order to go a total distance of 2352 in 3 hours. This question is from textbook algebra 1

Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
900T+700(3-T)=2352
900T+2100-700T=2352
200T=2352-2100
200T=252
T=252/200
T=1.26 HOURS @ 900 MPH BEFORE SHUTTING DOWN THE ENGINE
PROOF
900*1.26+700(3-1.26)=2352
1134+700*1.74=2352
1134+1218=2352
2352=2352
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