Question

You have 15 bottles of coke , you drink 2 bottles a day after a certain amount of days there are 3 bottles left. Which of the following represents the day when you had 3 borrows left

Answer 1

The 6th day because 14 bottles is 7 days with 1 left over. So get rid of a day and it will be 6 days

The answer is the 6th day

Answer 2

15 - 2x = 3

Explanation:

Let x be the amount of days that have passed.

15 - 2x gives the amount at any day number x.

15 - 2x = 3 represents the day when you had 3 bottles left.