A farmer travels in a 180kilometre distance to pretoria in a loaded truck. On his way back to the farm he travels at 30kilometre per hour and he saves 1 hour in an unloded truck, determine his speed while travelling to pretoria?
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A farmer travels in a 180kilometre distance to pretoria in a loaded truck. On his way back to the farm he travels at 30kilometre per hour and he saves 1 hour in an unloded truck, determine his speed while travelling to pretoria?
The distances to and fro are the same.
The distance is d=rt
To Pretoria we have 180=rt
Coming back he it take 1 hour less time. 180=30(t-1)
Solve for t and r.
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