“If I ate beans and you ate beans how old would we be?” (riddle)

“Farty” sounds like “forty.” “A married couple liked to eat beans. If the man was 2 yrs older than the woman what age was she? She was farty and he was farty too” was posted on Twitter on March 1, 2017. A riddle form was posted on Reddit—Jokes on March 28, 2017:
 
Q: If I ate beans and you ate beans how old would we be?
A: I’d be farty and you’d be farty too.
 
“Why are there only 239 beans in Irish bean soup?” /“Because one more and it would be too farty” is a similar joke.
     
   
Twitter
Heather Fraser‏
@heatherfraserxx
A married couple liked to eat beans. If the man was 2 yrs older than the woman what age was she? She was farty and he was farty too
1:05 PM - 1 Mar 2017
 
Twitter
Living Sarcasm‏
@SarcasmLiving
If I ate beans and you ate beans how old would we be?
I’d be farty and you’d be farty too.
7:46 PM - 27 Mar 2017
 
Reddit—Jokes
If I ate beans and you ate beans how old would we be?
submitted March 28, 2017 by IHopeThisIsntARepost
I’d be farty and you’d be farty too.