Question

3 times the sum of 9 and r

Answer 1

The equation is:

3(9 + r)

Once you apply distributive property, it becomes:

27 + 3r

That's how much you can simplify/factorize.

Explanation:

They are saying 3 times the sum of 9 and r, which means we FIRSTLY calculate 9 + r, and THEN multiply it times 3.

Hope this helps!