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mikalababes mikalababes
  • 27-01-2017
  • Mathematics
Answered

The product of a man's age 6 years ago and his age 10 years hence is 960. Find his age now.

Verified Answer :

LammettHash
LammettHash LammettHash
  • 27-01-2017

Let his current age be \(x\). Then

\((x-6)(x+1)=960\implies x=\dfrac52\pm\dfrac{\sqrt{3889}}2\)

only one of which is positive,

\(x=\dfrac52+\dfrac{\sqrt{3889}}2\approx33.68\)

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