SOLUTION: Carl is twice as old as Ginger. If Carl were 2 years younger and Ginger were 3 years older, the difference of their ages. How old is Ginger?

Question 1153247: Carl is twice as old as Ginger. If Carl were 2 years younger and Ginger were 3 years older, the difference of their ages. How old is Ginger?

Found 3 solutions by Alivewatevs, josgarithmetic, ikleyn:
Answer by Alivewatevs(1)   (Show Source): You can put this solution on YOUR website!
My first impression of this is that the numbers must be very small. So I try the smallest possible: Carl is 2 years old and Ginger, half his age, is then 1. But - “if Carl were 2 years younger” would make him 0 years old, so I abandon this.
Then I try the next possibility, working only with whole numbers. I set Carl’s age at 4, making Ginger 2. Then “if Carl were 2 years younger” - would make him 2. And if “Ginger were 3 years older” - would make Ginger 5. Voila! The difference is then 3 between their ages.
Answer: Carl is 4, Ginger is 2.
One sometimes shrinks from solving problems in this “dumb” way, i e by trial and error. However, if this produces a correct answer, why not?
A more “mathematical” way of solving this, calling Carl’s age c and Ginger’s age g, gives the two small equations below.
1: c = 2g
2: (g+3) - (c-2) = 3
1 and 2: (g+3) - (2g-2) = 3
=> -g + 5 = 3
=> g = 2
1: c = 2*2 = 4
Now, the acute observer will notice that I have “forgotten” another possibility for equation number 2: (c-2) - (g+3) = 3. Plugging in the value for c I get:
(2g-2) - (g+3) = 3
=> g - 5 = 3
=> g = 8
1: c = 2*8 = 16 (!)
This shows that the more “mathematical” way of solving this is better, since it reveals that there are two solutions to the problem.
Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
------
Carl is twice as old as Ginger. If Carl were 2 years younger and Ginger were 3 years older, the difference of their ages. How old is Ginger?
------

?

x, Ginger
2x, Carl

Who is older or younger?

If Carl is older:

their age difference

If Ginger is older:

their age difference

Make of this what you can, but the description seems to be missing something.
Answer by ikleyn(52787)   (Show Source): You can put this solution on YOUR website!
.
Carl is twice as old as Ginger. If Carl were 2 years younger and Ginger were 3 years older,
the difference of their ages. How old is Ginger?
~~~~~~~~~~~~~~~~~~~~~~~

In the post, some key part of the condition is missed.

In other words, the text has a "hole", and the vital part of the input fell to this hole.

The hole position is between the words   ". . . the difference of their ages" and the dot " . ", which follows after that words.

Therefore, the post in whole is not a Math problem, but is a FAKE instead.

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