instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: in a certain country 1 / 5 of 8 = 4 . assuming the same proportion , what would be the value of 1 / 4 of 16 ?
answer:
10


question:
Problem: a theater box office sold an average ( arithmetic mean ) of 65 tickets per staff member to a particular movie . among the daytime staff , the average number sold per member was 75 , and among the evening staff , the average number sold was 60 . if there are no other employees , what was the ratio of the number of daytime staff members to the number of evening staff members ?
answer:
1 : 2


question:
Problem: a , b , c can complete a piece of work in 24 , 8,12 days . working together , they complete the same work in how many days ?
answer:

4