A bottle of pain relievers contain 400 pills Each pill has 5

A bottle of pain relievers contain 400 pills. Each pill has 50 mg of medicine. If a person needs to take 200 mp per day for 3 weeks. Find the following:

a) How many pills does the person need for the 3 weeks?

b) How many bottles of pills does that person need?

c) What is the total weight of all of the pills in kilograms takes during the 3 weeks?

Solution

total days in 3 weeks= 3*7=21 dyas

c) total weight of pills taken= 200mp*21=4200mp=4.2 pound=1.9 kg

a)

total pills needed= 1.9kg/50mg=38000

b) total bottle of pills needed=38000/400=95

(note- all these calculation are based if mp here represents milli pound.)