instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: a work as fast as b . if b can complete a work in 8 days independently , the number of days in which a and b can together finish the work in ?
answer:
2 2 / 3 days


question:
Problem: how much interest will $ 8,000 earn in 9 months at an annual rate of 6 % ?
answer:
$ 360


question:
Problem: if 5 x = 6 y and xy ≠ 0 , what is the ratio of 1 / 4 * x to 1 / 6 * y ?
answer:

9 / 5