Question
City Y and City Z is 815 km apart. At 08 40, Marion, travelling at a constant speed, left City Y for City Z. At the same time, Cody set off from City Z for City Y at a constant speed which was 13 km/h faster than Marion. Find Cody's speed if they met at 13 40.
3 m

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City Y and City Z is 815 km apart. At 08 40, Marion, travelling at a constant speed, left City Y for City Z. At the same time, Cody set off from City Z for City Y at a constant speed which was 13 km/h faster than Marion. Find Cody's speed if they met at 13 40.