Work Step by Step
"Product" means multiplication, and "sum of" means addition. "sum of a number and 20" is written as x + 20. "Product of 9 and the sum of a number and 20" is written as 9*(x + 20) or 9(x + 20).
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.