Katherine is three times older than Joel now. In twenty years Katherine will be six years older than Joel. How old is Katherine now?

Question

10 November, 16:51

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Answers (2)

Know the Answer?

Jayce Novak · Answer 1

She is currently 9 years old.

If Katherine is 9, and Joel is 3, 20 years later they'll be 29 and 23. Katherine is 6 years older than him.

Dennis Salinas · Answer 2

K = 3*j;

k + 20 = 6 + (j + 20) = > k = 6 + j; but k = 3*j = > 3*j = 6 + j = > j = 3 (Joel has 3 years) and k = 9 (Katherine has 9 years);