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26-07-2017
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Susan is 5 years older than phen is now. in n years susan will be twice as old as phineas know. if susan is 22 years now what is the value of n

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HomertheGenius HomertheGenius

03-08-2017

We can write two equations:
s = p + 5
s + n = 2 p
And we know that: s = 22 ( Susan is 22 years old now )
22 = p + 5
p = 22 - 5
p = 17
22 + n = 2 * 17
22 + n = 34
n = 34 - 22
n = 12
We can prove it:
22 + 12 = 34 = 2 * 17 ( correct )
Answer: n = 12.

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