(Choose
1 answer)
Thirty-six of the staff of 80 teachers at a local intermediate school are certified in Cardio-Pulmonary Resuscitation (CPR). In 180 days of school, about how many days can we expect that the teacher on bus duty will likely be certified in CPR?
A. 5 days
B. 45 days
C. 65 days
D. 81 days
E. None of the other choices is correct
