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    Express 0.25ˉ0.\bar{25}0.25ˉ in the form pq\frac{p}{q}qp​​, where p and q are integers and q≠0q \neq 0q=0​.
    Question

    Express 0.25ˉ0.\bar{25} in the form pq\frac{p}{q}​, where p and q are integers and q0q \neq 0​.

    A.

    2510000\frac{25}{10000}​​

    B.

    2590\frac{25}{90}​​

    C.

    25100\frac{25}{100}​​

    D.

    2599\frac{25}{99}​​

    Correct option is D

    Given:

    The repeating decimal is:

    0.\overline{25}

    Solution:

    Let x = 0.250.\overline{25}​​

    Multiply both sides by 100 (since the repeating part has 2 digits):

    100x = 25.2525.\overline{25}​​

    Subtract the original equation (x=0.25x = 0.\overline{25}​) from this:

    100x - x = 25.250.2525.\overline{25} - 0.\overline{25}​​

    99x = 25

    x = 2599 \frac{25}{99}​​

    The value of 0.250.\overline{25}​ in the form of pq \frac{p}{q}​ is: 2599\frac{25}{99}​​

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