TASK DEFINITION: You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.
PROBLEM: Question: In a local school district, the high school and middle school each received r dollars toward funding for the student arts program. The high school enrolled 600 students and the middle school enrolled 300 students. Later, the middle school transferred s dollars to the high school so that they would have received the same funding per student. Which of the following is equivalent to s?

 Option A: r/3

 Option B: r/2

 Option C: 2r

 Option D: 3r

 Option E: r/9

SOLUTION: Option A

PROBLEM: Question: What is the sum of all the numbers which divides 100 ?

 Option A: 408

 Option B: 102

 Option C: 816

 Option D: 916

 Option E: 416

SOLUTION: Option A

PROBLEM: Question: 3 events last together 240 days. Event A last as many seconds as event B in minutes, and event A last as many hours and event C in days. How long does event C last in days?

 Option A: 170 days

 Option B: 40 days

 Option C: 204 days

 Option D: 68 days

 Option E: 60 days

SOLUTION:
Option D