Posted by JOHN on .
SALLYS AGE IS 12 YEARS PLUS HALF HER AGE. HOW OLD IS SHE?

MATH 
Jeana,
Umm i don't think you have enough info to answer the question is that one of your choices?

MATH 
JOHN,
THATS THW WHOLE QUESTION. IM THINKING THE ANSWER IS 18 YEARS OLD.
12+6 
MATH 
MathMate,
Would "12 years plus half of 18" equal to 18?
How about working out:
"12 years plus x/2 equals x" 
MATH 
JOHN,
sorry I don't get it
SALLYS AGE IS 12 YEARS PLUS HALF HER AGE. HOW OLD IS SHE? 
MATH 
oneirocritic,
The problem is that we don't know Sally's age. All we know is that she is x years old and x equals 12 + x/2.
x = 12 + (1/2)x
(1/2)x = 12
x = 24