The half-life formula D = 500(0.5)t/5 determines the amount…

The half-life formula D = 500(0.5)t/5 determines the amount of drug compound D left in the bloodstream in mg after t hours from an initial dosage of 500mg and a drug half-life of 5 hours.  Use the graph below to approximate how many mg of drug will be in the bloodstream after hours and enter your approximation as your answer.