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21 November, 22:28

Show 231 using the same number of tens and ones

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  1. 21 November, 22:54
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    10n + 1n = 11n = 231, and n = 21

    Step-by-step explanation:

    Let that "same number" be n. Then 10n + 1n = 11n = 231, and n = 21.

    Check: Do 21 tens and 21 ones add up to 231?

    210 + 21 = 231? YES
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