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.
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Question: Question: If one-third of one-fourth of a number is 15, then three-tenth of that number is

 Option A: 35

 Option B: 36

 Option C: 45

 Option D: 54

 Option E: 57

Answer: Option D


Question: Question: In the rectangular coordinate system, what is the x-intercept of a line passing through (10, 3) and (−6, −5)?

 Option A: 4

 Option B: 2

 Option C: 0

 Option D: −2

 Option E: −4

Answer: Option A


Question: Question: One fourth of a solution that was 15% salt by weight was replaced by a second solution resulting in a solution that was 16 percent sugar by weight. The second solution was what percent salt by weight?

 Option A: 24%

 Option B: 34%

 Option C: 22%

 Option D: 19%

 Option E: 8.5%

Answer:
Option D