Please help explain how u got the answer marking brainlist giving all my points 200 points

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 − 24x 8,000 + 2x 8,000 − 2x

Ill mark the brainliest if you me with the these three questions 7,8,9

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?