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8 November, 10:03

The supermarket has 30 aisles. 10% of the aisles are empty, without any shoppers. How many empty aisles are there in the supermarket?

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  1. 8 November, 10:29
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    10/100=x/30

    Cross multiply

    100x=300

    Divide each side by 100

    X=3
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