To start, find your equation, n=3000(.5)^t, n being your number of bacteria and t being your time. Now plug in 375 for n and solve for t, 375=3000(.5)^t, .125=.5^t,

. This means your answer is 3 minutes. To check it, plug it into your equation. n=3000(.5)^t=3000(.125)=375
Answer:
21%
Step-by-step explanation:
15/70=21.14 round to 21
Don't shade the part A and the part between A and B. Shade the B part only.