An epidemic is spreading by an average of 15 new cases per day. If a total of 750 cases have occurred as of today, what cumulative number of cases do we expect four days from now?
A)60
B)690
C)775
D)810

Question

Quizplus · Accepted Answer

With an average of 15 new cases per day, in four days, we expect 15 * 4 = 60 additional cases. Adding these to the current total of 750 gives 750 + 60 = 810 cases.

An Epidemic Is Spreading by an Average of 15 New