Question

How do you translate "the product of a number and three" into a mathematical expression?

Answer 1

`3n`

Explanation:

"The product of a number and three" should be `3n` where n is the number.

IN the answer of the question you would have to explain something like this:
Let n be the number. The product then is `3n`.

The reason for this is that you could also let m stand for the number, in which case the answer would be `3m`.