The task is to generate the correct answer for a given math problem.

[EX Q]: Problem: by investing in 1623 % stock at 64 , one earns rs . 1500 . the investment made is
[EX A]: rs . 5760

[EX Q]: Problem: if x is to be chosen at random from the set { 1 , 2 , 3 , 4 } and y is to be chosen at random from the set { 6 , 7 } , what is the probability that xy will be even ?
[EX A]: 1 / 6

[EX Q]: Problem: 100 people are attending a newspaper conference . 45 of them are writers and more than 36 are editors . of the people at the conference , x are both writers and editors and 2 x are neither . what is the largest possible number of people who are both writers and editors ?
[EX A]:
18