To solve the exercise first in parts the given verbal expression:
*30 decreased by x, where x is any number it is written in an algebraic language like this
[tex]30-x[/tex]
*the product of a number q and t, where q and t are any two numbers is written in an algebraic language like this
[tex]\begin{gathered} qt \\ \text{ or} \\ tq \end{gathered}[/tex]
Therefore, the given verbal expression written as an algebraic expression is
[tex]30-4m[/tex]
