Question

Write a variable expression to represent the phrase.

The product of 72 and a number

Short answer

The variable expression that represents the given phrase is $72x$.

Step-by-step solution

Step-1 – Apply the concept of Variable

In any expression or equation, the variable is an unknown quantity. It may be any alphabet or any special symbol.

Step-2 – Example for the variable

In the expression $2x+3$, the unknown quantity is x. So, the variable in this expression is x. 2 and 3 are constants values.

Step-3 – Identify the variable

Let the unknown number be x.

In order to write the variable expression for the given phrase, multiply 72 with the unknown number x.

So, the variable expression to represent the phrase is $72·x\text{or 72x}$.