A boy puts a fixed amount of money in a box every week after his birthday. Find 'p'

Explanation

The problem describes a scenario where a boy puts a fixed amount of money in a box every week. By examining the differences between the amounts for consecutive weeks, we determine that the weekly increase is 3. Starting from the 5th week amount of 28, the amount after the 8th week is calculated as follows:After 6th week: 28 + 3 = 31After 7th week: 31 + 3 = 34After 8th week: 34 + 3 = 37Therefore, the correct answer is 37. The other options represent amounts after different numbers of weeks, hence they are incorrect.