TASK DEFINITION: The task is to generate the correct answer for a given math problem.
PROBLEM: Problem: 9 . on level farmland , two runners leave at the same time from the intersection of two country roads . one runner jogs due north at a constant rate of 8 miles per hour while the second runner jogs due east at a constant rate that is 8 miles per hour faster than the first runner ' s rate . how far apart , to the nearest mile , will they be after 1 / 2 hour ?

SOLUTION: 

PROBLEM: Problem: a teacher grades students ’ tests by subtracting twice the number of incorrect responses from the number of correct responses . if student a answers each of the 100 questions on her test and receives a score of 76 , how many questions did student a answer correctly ?

SOLUTION: 92

PROBLEM: Problem: a and b complete a work in 6 days . a alone can do it in 8 days . if both together can do the work in how many days ?

SOLUTION:
3.43 days