Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Problem: if a: b: : 3: 7, then what is ( 5 a + 2 b.: ( a - 2 b. ?
Options: a. 57: 11, b. - 57: 11, c. 11: 10, d. - 29: 11, e. - 1: 10
Student:
d