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28 February, 08:23

Bisi leaves 5km from school. She walks 1km at 4km/h and travels the rest of the way by bus at 16km/h. what is the average speed for the whole distance

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  1. 28 February, 12:12
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    1/2 hour

    Step-by-step explanation:

    I am assuming you meant "lives 5km"

    The first km would take 1/4 an hour because she is going 4km/h for one hour. One hour she would go 4km but we only need 1 mile so it would be cut to a fraction.

    The same fraction goes for the bus. 4 is 1/4 of 16 so you would have to add them together and have 1/2 and hour to get home.
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