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26 September, 01:28

What is the rational number equivalent to 1.28 repeating

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  1. 26 September, 01:35
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    100*1.2828 ... = 128.28282828 ... (so on ...)

    100x=128.28

    then you do 100x - x = 128.2828 ... - 1.2828 ...

    then we subtract the. 282828 ... part

    99x = 127

    then divide boths sides by 99 and then x=127/99
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