Today is Jack's birthday. One year, from today he will be twice as old as he was 13 years ago. How old is Jack today ? Choose the correct choice from the following options
A) 23 years B) 24 years C) 25 years D) 26 years E) 27 years
let Jack's age=x
x+1=2(x-13)
x=27
ANSW27 yearsR:27 years
<result>E</result>
Today is Jack's birthday. One year, from today he will be twice as old as he was 13 years ago. How old is Jack today ?