Final answer:
The expression 18+6 represents the addition of 18 and 6. The matching story is about Mr. Peters having 18 dollars and Mr. Stevens having 6 dollars, and finding out how many more dollars Mr. Peters has than Mr. Stevens.
Step-by-step explanation:
The expression 18+6 represents the addition of 18 and 6. This can be thought of as Mr. Peters having 18 dollars and Mr. Stevens having 6 dollars. To find out how many more dollars Mr. Peters has than Mr. Stevens, we subtract 6 from 18. So, the matching story would be option A.
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