Question 4: (Lessons 5, 6 & 7) When you eat a chocolate bar, the percent, P, of caffeine left in your system after t hours can be modeled logp by t = 4( (0g0).3 ) (a) How long will it take for the amount of caffeine to drop to half the amount consumed? i. Solve algebraically using your knowledge of logarithms. ii. Solve graphically by hand, showing all key features on the sketch. (Check with technology). (b) If you had the chocolate at 7:00PM, what percent of the caffeine will be remaining in your body at 8:30PM? i. Solve algebraically using your knowledge of logarithms. ii. Solve graphically by hand, showing all key features on the sketch. (Check with technology)