Solve the problem.
-The amount of alcohol in the bloodstream, A, declines at a rate proportional to the amount, that is, . If for a particular person, how long will it take for his alcohol concentration to decrease from 0.10% to 0.05%? Give your answer to the nearest tenth of an hour.
A) 2.1 hr
B) 1.4 hr
C) 0.3 hr
D) 2.8 hr

Question

Solve the problem.
-The amount of alcohol in the bloodstream, A, declines at a rate proportional to the amount, that is,  . If  for a particular person, how long will it take for his alcohol concentration to decrease from 0.10% to 0.05%? Give your answer to the nearest tenth of an hour.
A) 2.1 hr 
B) 1.4 hr 
C) 0.3 hr 
D) 2.8 hr

Quizplus · Accepted Answer

The Answer of Solve the problem.
-The amount of alcohol in the bloodstream, A, declines at a rate proportional to the amount, that is,  . If  for a particular person, how long will it take for his alcohol concentration to decrease from 0.10% to 0.05%? Give your answer to the nearest tenth of an hour.
A) 2.1 hr 
B) 1.4 hr 
C) 0.3 hr 
D) 2.8 hr

Solve the Problem. -The Amount of Alcohol in the Bloodstream, A, Declines at A