SOLUTION: a driver travels the first 120 km of a 200-km journey at an average speed of 40 km/h. he travels the remaining journey at a speed of 60 km/h. find the time taken for the whole jour
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-> SOLUTION: a driver travels the first 120 km of a 200-km journey at an average speed of 40 km/h. he travels the remaining journey at a speed of 60 km/h. find the time taken for the whole jour
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Question 981513: a driver travels the first 120 km of a 200-km journey at an average speed of 40 km/h. he travels the remaining journey at a speed of 60 km/h. find the time taken for the whole journey. Answer by josgarithmetic(39616) (Show Source):
You can put this solution on YOUR website! _________________rate________time_________distance
part1____________40_______________________120
part2____________60_______________________200-120=80
Total________________________(?)
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