rebetennoqp5xr rebetennoqp5xr

11-05-2020
Mathematics

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John walks at 4km/h and runs at 12 km/h . He completes a journey in two parts. If he walks the first part and runs the second part it takes him 3 hours. If he runs the first part and walks the second part it takes him 2 hours. Find the lengths of the two parts of the journey .

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rtwenefour rtwenefour

30-09-2020

Step-by-step explanation:

16m/h+3h

=19m/h

16m/h+2h

=18m/h

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