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19 June, 00:29

When a number is increased by 2.5%, the result is 51. What is the original number to the nearest tenth?

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  1. 19 June, 00:40
    0
    49.8

    Step-by-step explanation:

    Number - x

    2.5% of the number is 0.025x.

    New number is x+0.025x = 1.025x.

    New number is 51.

    1.025x = 51

    x = 51/1.025≈ 49.8
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