Answer:
Expression is 12 - 
.
Explanation:
Given : "12 less than the quotient of 12 and a number z."
To find : Write an algebraic expression .
Solution : We have given 12 less than the quotient of 12 and a number z."
According to question :
Let the quotient = Q 
quotient of 12 and a number z.
quotient = 
.
Therefore, Expression is 12 - 
.