Question

Write a variable expression to represent the phrase.

The number of inches in x feet

Short answer

The variable expression that represents the given phrase is $12x$.

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 – Conversion scale from feet to inches

There are 12 inches in 1 feet, that is,

1 feet = 12 inches.

So, in order to change the feet into equivalent inches, multiply the number of feet by 12.

Step-3 – Write the variable expression

Since there are 12 inches in one feet, so in order to find the number of inches in x feet, multiply x by 12.

So, the number of inches in x feet is$12·x\text{or 12x}$

So, the variable expression to represent the phrase is $12x$.