Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.

Problem: the ratio of boys to girls is 6: 4.60 % of the boys and 40 % of girls take lunch in the canteen. what % of class takes lunch ?
Options: a. 51 %, b. 52 %, c. 53 %, d. 54 %, e. 55 %
b