Many people suffering from constricted bronchial muscles inhale the drug Albuterol for
relief. The number of micrograms A of Albuterol in a person's bloodstream t minutes
after 200 micrograms have been inhaled can be approximated by
A = -50t^ +170t.
How long after an inhalation will there be about 60 micrograms of Albuterol in the
bloodstream? Round to the nearest tenth of a minute. (hint: Divide by 10)

a) 0.25x times 3. (could be wrong on equation.)

b) 2.25 pound of dark chocolate. (can i eat all the chocolate? plz? anyway, again, could be wrong, but i hope im right. all the chocolate together should be 5.25 pounds)

have a good day!

i don't have the answer rn but go to math papa. it shows the steps and the answer. hope this : )

step-by-step explanation:

anser is a

step-by-step explanation:

negitive slope

a. is correct