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A man complete a journey in 10 hours. He travels first half of the journey at the rate of 21 km/hr and second half at the rate of 24 km/hr. Find the total journey in km. ?->(Show Answer!)
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1. A man complete a journey in 10 hours. He travels first half of the journey at the rate of 21 km/hr and second half at the rate of 24 km/hr. Find the total journey in km.





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  • By: guest on 01 Jun 2017 05.49 pm
    (1/2)x + (1/2)x = 10 21 24 x + x = 20 21 24 15x = 168 x 20 x = 168 x 20 = 224 km. 15
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