CharlieAlexander CharlieAlexander

22-05-2017
Mathematics

contestada

When I was 14 years old, my father was 3 times my age. Now he is twice my age. How old am I?

When I was 14 years old my father was 3 times my age Now he is twice my age How old am I class=

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cristlynlewis cristlynlewis

22-05-2017

when he was 14 his dad was 42
now the child is twice 14... = 28...

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CloudyJay CloudyJay

22-05-2017

Let f be the father's age and his child's age be c.

As the father is 42 14 = 28 years older than the child, f = c + 28.

At the moment f = 2c, hence 2c = c + 28, and so c = 28. That is, the father's child is now 28 years old.

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