5different mixed numbers that add up to 10 with only 3rds and 4ths

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

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.