Billy walks 1/2 of a mile in 1/3 of an hour. What is Billy's walking speed? A. 2/3
B. 3/2
C. 1/6
D. 6 mph

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