19-02-2018
Mathematics

contestada

The sum of the ages of Ken and Erica is 62 years. 7 years ago, Ken’s age was 3 times Erica’s age. How old is Ken Now?

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susanwiederspan susanwiederspan

19-02-2018

Let's say Ken's age in years is k, and Erica's is r.

We know [tex]k-7=3(r-7)[/tex] and [tex]k+r=62[/tex].

Solving this system of equations, we get k = 43, and r = 19.

Therefore, Ken is 43 years old now.

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