Solve the problem.
-Doctors predict that by administering a vaccine, the number of new cases of a certain disease will decrease by half each year. If 700 people were afflicted with the disease in 2000, estimate the number of new cases in 2005.
(Round to the nearest whole number, if necessary.)
A) 22 new cases in 2005
B) 11 new cases in 2005
C) 88 new cases in 2005
D) 44 new cases in 2005

Question

Quizplus · Accepted Answer

The number of new cases decreases by half each year. Starting with 700 cases in 2000, after one year (2001), there would be 350 cases, then 175 in 2002, 87.5 in 2003, approximately 44 in 2004, and about 22 in 2005.

Solve the Problem. -Doctors Predict That by Administering a Vaccine, the Number of the Number