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24 March, 10:34

Three workers can load a truck in 8 minutes. How many workers need to join this team so that they can load that truck in 6 minutes?

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  1. 24 March, 13:34
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    1 extra worker

    Step-by-step explanation:

    If three workers load the truck in 8 minutes we have that:

    3 workers = 8 minutes

    We know that if we wanted to reduce the time at, for example, half, we would need to increase the workers in a half. More generally, if we want to reduce the time in 1/X me need to multiply the workers by X.

    Here me need to reduce the time in 6/8 as 8*6/8 = 6. So, we will need:

    3*8/6 = 24/6 = 4 workers.

    So, we will need 1 more worker as we already have 3.
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