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.
--------
Question: Question: A cab driver 5days income was $25, $50, $60, $65 , $70. Then his average income is?

 Option A: A

 Option B: B

 Option C: C

 Option D: D

 Option E: E

Answer: Option B


Question: 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

Answer: Option A


Question: Question: Saskia needs to catch the 3.15pm train in order to get to her Mixed Martial Arts fight on time. It is 2.55 pm and Saskia is 2 miles from the train station. Saskia can run at an average speed of 10 miles per hour. However Saskia is carrying a sack of bricks which slows her down by 20%. If she runs to the station how many minutes early or late will she be for the train?

 Option A: 10 minutes early

 Option B: 5 minutes early

 Option C: 0 minutes early

 Option D: 5 minutes late

 Option E: 10 minutes late

Answer:
Option B