As the train’s engineer, erin guided the train on a 64 mi run, which took 1.7 h. she then stopped on a side rail to let a second train pass. she then continued another 80 mi, which took 1.9 h.

what was the train’s average speed for the entire run?

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