Which algebraic expression represents "the difference of 54 and a number"?

The difference is the result of a subtraction problem.

We are given two values that are being subtracted: 54 and a number, represented by

So, represent this mathematically with .

54-x is the correct answer, the difference between number is x-54 or 54-x and the number of algebraic expressions subtracted or number symbol like x.

to find the total number of combinations, multiply the quantity of each item by each other:

2 pairs of shoes x 3 pairs of shorts = 6 different combinations.