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23 June, 03:47

Andres completed a 5-km race in 13.5 minutes. His sisters time was 1 1/2 times longer than his time. How long, in minutes did it take his sister to run the race

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  1. 23 June, 07:39
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    Answer: 71.5minutes

    Step-by-step explanation:

    Andres

    Distance 5km

    Time = 13minutes

    Andrea's sister race covered = 11/2 of Andres's distance

    11/2*5=27.5km

    5km=13minutes

    27.5km=xminutes

    5x=13*27.5

    5x = 357.5

    X=357.5/5

    X=71.5minutes

    It will take Andres's sister 71.5minutes to complete her race
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