﻿ Dariella walks x 🚩 km at 5km/h and then runs (x+4) km at 10 km/h. the average speed of the journey is 7 km/h. find the value , 20.08.2019 00:00, malikfaiz24

Dariella walks x km at 5km/h and then runs (x+4) km at 10 km/h. the average speed of the journey is 7 km/h. find the value of x Other questions on the subject: Math Math, 19.08.2019 13:00, divyanshu7571
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Dariella walks x km at 5km/h and then runs (x+4) km at 10 km/h. the average speed of the journey is...

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