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.

Input: Consider Input: Question: A group of boy scouts and girls scouts is going on a rafting trip. 45% of the scouts arrived with signed permission slips. If 60% of the scouts were boy scouts and 25% of the boy scouts arrived with signed permission slips, then what percentage of the scouts were girl scouts who arrived with signed permission slips?

Option A: 20

Option B: 21

Option C: 25

Option D: 28

Option E: 30

Output: Option E

Input: Consider Input: Question: In a certain school, the ratio of boys to girls is 5 to 13. If there are 160 more girls than boys, how many boys are there?

Option A: 100

Option B: 36

Option C: 45

Option D: 72

Option E: 117

Output: Option A

Input: Consider Input: Question: If all the sides of a right triangle increase in length by 10%, then by what percentage does the area of the triangle increase?

Option A: 21%

Option B: 42%

Option C: 80%

Option D: 96%

Option E: 120%
Output: Option A