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 class of 32 students , 2 students did not borrow any books from the library , 12 students each borrowed 1 book , 10 students each borrowed 2 books , and the rest borrowed at least 3 books . if the average number of books per student was 2 , what is the maximum number of books any single student could have borrowed ?

A: 11
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Q: Problem: if the average of 5 x and 8 y is greater than 90 , and x is twice y , what is the least integer value of x ?

A:
4
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