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.

[EX Q]: Question: In the xy-plane, a line has slope 5 and x-intercept 3. What is the y-intercept of the line?

 Option A: -15

 Option B: -3

 Option C: 0

 Option D: 3

 Option E: 9
[EX A]: Option A

[EX Q]: Question: If p and q are positive integers each greater than 1, and 17(p+1)=20(q+1), what is the least possible value of p+q?

 Option A: 35

 Option B: 42

 Option C: 44

 Option D: 46

 Option E: none
[EX A]: Option A

[EX Q]: Question: In a 1000 m race, A beats B by 200 meters or 25 seconds. Find the speed of B?

 Option A: 8

 Option B: 9

 Option C: 7

 Option D: 6

 Option E: 5
[EX A]:
Option A