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13 September, 09:38

When 50% of a number is added to the number, the result is 210. What is the number?

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  1. 13 September, 12:26
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    X is the number, therefore;

    x+50% of x=210

    50%=50/100=0.5

    We can suggest this equation:

    x+0.5x=210

    1.5x=210

    x=210/1.5

    x=140

    Asnwer: the number would be 140.
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