Please help me on this question!​

Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?

Javier bought a painting for $150. each year, the painting's value increases by a factor of 1.15. which expression gives the painting's value after 77 years?