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nika2105 [10]
3 years ago
15

A car travelled 216km at an average speed of 48km/h.On the return journey the average speed increased to 72km/h.Calculate the av

erage speed,in km/h for the whole journey​

Mathematics
1 answer:
mel-nik [20]3 years ago
3 0

Answer:120km/hr

Step-by-step explanation:

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