Algebra Expression (Words to numbers) How do you do this?

Question

The product of 8 and the quantity 9 less than c is less than 13.

Answer 1

In symbols:

8(c - 9) < 13

Answer 2

Hi, there.

So you are looking for the product (multiplication) of 8 and the quantity 9 less than c, which is written

(c - 9), which is all less than 13.

So:

8 x (c - 9) < 13

or

8(c - 9) < 13