Melodyvia Melodyvia

18-05-2023
Mathematics

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a motorist travelled from Ibadan to Lagos ,a distance of 142 km,at an average speed of 60km/h. He spent 5/2 hours in Lagos and then returned to Ibadan at an average speed of 80km/h .(a).At what time did the man arrive back in Ibadan? .(b). find his average speed for the total journey.

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