I need help with this one

Answer:
D. d = 50t
Step-by-step explanation:
Distance can be found by multiplying speed and time together. Here the speed appears to be 50mi/hr and multiplying that by time will leave you with just the distance in miles. d = 50t is the equation that for this. You can also check this by plugging in a time and seeing if the numbers match up on the given chart.