My current age is the age of my favourite book (which is 14 years old) plus one third of my age.
How old will I be when my favourite book is twice its current age?
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A little algebra might help.
I will be 35 in 14 years.
I am currently 21.
If x is my current age, then:
x = 14 + x
2x = 14
2x = 42
x = 21
I am currently 21 and my favourite book is currently 14 years old, when it is 28 years old (double its age) I will be 35.
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