Answer:
The required expression is
.
Explanation:
Let the unknown number be x.
We need to find an expression for the given statement "8 less than the quotient of 42 and a number".
y = Quotient of 42 and a number =
.
8 less than the number y = y - 8
8 less than the quotient of 42 and a number is

Therefore the expression for the given statement "8 less than the quotient of 42 and a number" is
.