Which variable expression is a translation of the word phrase three less than the product of a number and six?

Let us assume x be an unknown number.

Given that "three less than the product of a number and six".

Product represents operation of multiplication and less than represents operation of subtraction.

Product of unknown number x and 6 = x * 6 = 6x.

Three less than 6x could be written as subtracting 3 from 6x that is 6x-3.

Therefore, three less than the product of a number and six = 6x-3.