You drink a cup of coffee with 120 mg of caffeine. Each hour, the caffeine in your system decreases by about
12%. Two hours after you drink the coffee, how much
caffeine will be left in your system?
Round your answer to the nearest hundredth, and
make sure to include units.

i would have to say it is c.

a

step-by-step explanation:

answer: 5 17/33 % (to the tenth)

step-by-step explanation:

he guessed: 34.5 pounds

actual weight is 32.7

there for he is off:

34.5 -32.7 = 1.8

32.7 is the 100%

1.8 represents %? of 32.7

therefore:

32.7   - 100%

1.8     -     x%

x= 1.8*100%/32.7% = 18*100%/327%

x=1800%/327%   = (5 165/327)%

to the tenth:

5 17/33 %