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

[Q]: Problem: two cycles are standing side - by - side . one cycle , which is 2.5 feets tall , casts a shadow that is 5 feets long . the other cycle is 2 feets tall . compute , in feets , the length of the shadow that the shorter cycle casts .
[A]: 4


[Q]: Problem: 5 / 8 of 3 / 10 of a number is greater than 4 / 9 of 1 / 4 of the same number by 55 . what is half of that number ?
[A]: 36


[Q]: Problem: find the maximum value of the function f ( x ) = x − 5 if x is a number between - 5 and 13 .
[A]:
8