TASK DEFINITION: The task is to generate the correct answer for a given math problem.
PROBLEM: Problem: bob wants to run a mile in the same time as his sister . if bob ’ s time for a mile is currently 11 minutes 20 seconds and his sister ’ s time is currently 9 minutes 36 seconds , by what percent does bob need to improve his time in order run a mile in the same time as his sister ?

SOLUTION: 15 

PROBLEM: Problem: if the sides of a cube are in the ratio 5 : 3 . what is the ratio of their diagonals ?

SOLUTION: 5 : 3'

PROBLEM: Problem: set s consists of integers { 7 , 8 , 10 , 12 , 13 } . if integer n is included in the set , the average ( arithmetic mean ) of set s will increase by 10 % . what is the value of integer n ?

SOLUTION:
16