Write as a verbal expression 21 - n

A number "n" is subtracted from 21

Solution:

Given that, we have to write the given expression as verbal sentence

Given expression is:

21 - n

Here, "minus sign" means subtraction

n is a unknown number

Therefore, we can say,

A number "n" is subtracted from 21

In another we can say,

21 is reduced by a number "n"

Thus given expression is translated into verbal expression