Jim paid 9.82 for a book. he told nora the cost was about 10 was 10 a reasonble amount

Well if you are asking if the cost of the book was a reasonable amount that would depend on what book but if the question is if that was a reasonable number to round up to then yes that would be reasonable, because in the number 9.82 it shows that the number isn’t four or under signaling you would round up, making it ten dollars.

The answer would be (c)