SOLUTION: for how many positive integers N do the square root of N differ from 10 by less then 2?

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Question 477216: for how many positive integers N do the square root of N differ from 10 by less then 2?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
for how many positive integers N do the square root of N differ from 10 by less then 2?
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Solve |sqrt(N)-10| < 2
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-2 < sqrt(N)-10 < 2
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Add 10 along the line to get:
8 < sqrt(N) < 12
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Square along the line to get:
64 < N < 144
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Cheers,
Stan H.