Question 1112293
Mr Smith is y years old.  His son George is 21 years younger. 
A). Write an expression using y to show his son’s age?
B).  Write an expression to show their total ages?
C).  Write an answer to (B) in its simplest form? 
<pre>Are you really serious, Stanbon? You really gave someone those answers? A son is 21 years older than his father?