Evan takes 100 milligrams of medicine. The amount of medicine in his bloodstream decreases by 0.4 milligram each minute for a number of minutes, m, after that. He writes the expression 100 – 0.4m to find the amount of medicine in his bloodstream after m minutes. Which statement about his expression is true?

Respuesta :

Answer:

b      It is the difference between the initial amount and the amount of decrease after m minutes.

Step-by-step explanation: