13. James is asked what inequality symbol to be used to translate at most in the mathematical sentence 5 times a number y plus 2 times a number x is at most 15. His answer is <. Is he correct? A. Yes, because the symbol for at most is <. B. Yes, because the symbol for at most is >. C. No, because the symbol for at most is 2. D. No, because the symbol for at most is S.