SOLUTION: An aireplane is flying at 420 km/h [S]. how long will it take the plane to reach a destination 1050 km [S] of the planes present position?

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Question 826463: An aireplane is flying at 420 km/h [S]. how long will it take the plane to reach a destination 1050 km [S] of the planes present position?
Answer by jsmallt9(3758) About Me  (Show Source):
You can put this solution on YOUR website!
d = rt
Dividing both sides by r:
d%2Fr+=+t
So time is distance divided by rate:
t+=+1050%2F420
Now we just simplify:
t+=+1050%2F420+=+105%2F42+=+35%2F14+=+5%2F2+=+2.5 hours.