Each equation below is followed by several stories.
Select all of the stories that can be represented by the equation.
If none of the stories can be represented, select "None of the above".
(a) 9x = 99
Chris finished reading his book in 9 days. Each O day, he read x pages. His book has 99 pages.
Chris finished reading his book in * days. Each O day, he read 9 pages. His book has 99 pages.
A book has two parts. One part is * pages long.
The other part is 9 pages long. The book has 99
pages.
A book is r pages long. Chris read 9 pages. He © has 99 pages remaining.
None of the above