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Ksenya-84 [330]
3 years ago
15

A car travels the first 50km of its journey at an average speed of 25m/s and the next 120km at an average speed of 80km /h . The

car completes the last part of its journey at an average speed of 90Km/h in 35 minutes . Find the average speed for its entire journey , giving your answer in km/h
Step by step
Mathematics
1 answer:
Ghella [55]3 years ago
3 0

Answer:

What do you need me to do

Step-by-step explanation:

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