5. With adequate nutrients, the number of bacteria grows exponentially. Suppose the quantity of bacteria A doubles every two hours, and the quantity of bacteria B triples every three hours. If nutrients are adequate and the initial quantities of both bacteria are equal, approximately how many hours later will the quantity of bacteria B divided by the quantity of bacteria A be closest to 10? (1) 24 hours. (2) 48 hours. (3) 69 hours. (4) 96 hours. (5) 117 hours.
II. Multiple-Choice Questions (30 points)
Instructions: For questions 6 to 11, each of the five options is independent, and at least one option is correct. Select the correct options and mark them on the "Answer Section" of the answer sheet. No points are deducted for wrong answers. Five points are awarded for all five options correct, 2.5 points for only one wrong option, and no points for two or more wrong options.
& D
5. With adequate nutrients, the number of bacteria grows exponentially. Suppose the quantity of bacteria A doubles every two hours, and the quantity of bacteria B triples every three hours. If nutrients are adequate and the initial quantities of both bacteria are equal, approximately how many hours later will the quantity of bacteria B divided by the quantity of bacteria A be closest to 10?\\
(1) 24 hours.\\
(2) 48 hours.\\
(3) 69 hours.\\
(4) 96 hours.\\
(5) 117 hours.
\section*{II. Multiple-Choice Questions (30 points)}
Instructions: For questions 6 to 11, each of the five options is independent, and at least one option is correct. Select the correct options and mark them on the "Answer Section" of the answer sheet. No points are deducted for wrong answers. Five points are awarded for all five options correct, 2.5 points for only one wrong option, and no points for two or more wrong options.