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tamaranim1 [39]
3 years ago
14

a motorist travelled 20km at an average speed 15km/h .if he made the return journey at an average speed of 30km/h .Find the aver

age speed of the whole journey ​
Mathematics
1 answer:
scZoUnD [109]3 years ago
8 0

Answer:

20km/h

Step-by-step explanation:

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