Which situation cannot be represented by this expression 13+8
A Ben gave 8 of his bagels to friends. Now he has 13 left. How many bagels did he start with?
B Jack bought 8 books. He will buy 13 more. How many books will he buy altogether?
C Zoe is reading an article with 13 pages. She has 8 pages left. How many pages has she read?
D Caleb swam for 13 minutes. Then he swam for 8 more minutes. For how many minutes did he swim?