Acarpet costs $15 per square foot. (when calculating the price any fraction of a square foot is counted as a whole square foot) if the area you want is 19.7 square meters, how much will it cost? (1m ≈3.28ft)
i tried but i couldn't get it

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