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18-02-2018
Mathematics

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If p is prime and n is even such that p + n = 47 and pn = 210, what is the value of n?

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18-02-2018

[tex]210 = 1 \times 210 = 2 \times 105 = 3 \times 70 = \\ 5 \times 42[/tex]
[tex]5 + 42 = 47 \\ n = 42[/tex]

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