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:Noj is 5 years older than Jacob. The product of their ages is 84.
How old is Noj?

Guest Jan 27, 2014

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1⁺⁰ Answers

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Noj age = X

Jacob age = X-5

So X(X-5) = 84

X ² + 5X - 84 = 0

or (X-7)(X+12)=0

Jacob is 7

Finish it !

Guest Jan 28, 2014

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