What is the decimal representation of 2/10

Ineed to learn how to solve this problem

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

At school 460 of the students walk to school the number of students who take public transit is 20% of the number of students who walk. how many students take public transit