4.2 fewer than the product of 12 and a number

To find the expression "4.2 fewer than the product of 12 and a number," we can break it down into smaller steps.

Step 1: Start with a number. Let's call this number "x."

Step 2: Calculate the product of 12 and the number x. This can be done by multiplying 12 and x: 12 * x.

Step 3: Subtract 4.2 from the product obtained in Step 2. This can be written as (12 * x) - 4.2.

Therefore, "4.2 fewer than the product of 12 and a number" can be expressed as (12 * x) - 4.2.