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18-11-2021
SAT

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If you place a zero at the end of a certain natural number and subtract the result from 143.

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27dubinsky269 27dubinsky269

19-11-2021

Answer:

N=11

Explanation:

Let the number be n.

Adding a zero means multiplying the number by 10, 10n.

143-10n=3n, 13n=143 so n=11.

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