How long will it take to make 4,000 if you make 8.50per hour. ( 5hrs for 5 days)

With #! i’ve tried to figure it out but i can’t.

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

Which number produces an irrational number multiplied by 1/3