The task is to generate the correct answer for a given math problem.

Q: Problem: how much interest will $ 10,000 earn in 9 months at an annual rate of 4 % ?

A: $ 300
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Q: Problem: in a kilometer race , a beats b by 48 meters or 12 seconds . what time does a take to complete the race ?

A: 238 sec
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Q: Problem: 3 / 5 of all married couples have more than one child . 1 / 4 of all married couples have more than 3 children . what fraction of all married couples have 2 or 3 children ?

A:
7 / 20
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