SOLUTION: The average speed of a journey of 1440km 80km/h. How long did the take?

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Question 758543: The average speed of a journey of 1440km 80km/h. How long did the take?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+d+=+r%2At+
In terms of just units:
( km ) = ( km/hr )x( hrs )
+1440+=+80t+
Divide both sides by +80+
+1440%2F80+=+t+
+t+=+18+
The journey took 18 hrs