The task is to generate the correct answer for a given math problem.
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Question: Problem: sachin is older than rahul by 7 years . if the ratio of their ages is 11 : 9 , find the age of sachin

Answer: 38.5


Question: Problem: if p / q = 3 / 11 , then 2 p + q = ?

Answer: 17


Question: Problem: if y > 0 , ( 4 y ) / 20 + ( 3 y ) / 10 is what percent of y ?

Answer:
50 %