Question 1198810
.


Such form  ". . . bobs mom is 4 times older than him"  is  NEVER  USED  in  Math problems 

in  English,  because it is  AMBIGUOUS.



When it comes to the forum,  it makes it clear that this current  "math composer" 
is unfamiliar with the traditional/standard way writing  Math problems in  English.

(never opened relevant Algebra textbook in English).