Student Attendance Word Problem

Question

Student attendance in a certain math class in inversely proportional to the number of days since the start of class. On day 2, attendance was 40 students. How many students will attend class on day 10?

Answer 1

From the given information, we can see that the original number of students was 80.

 

From those facts, we can see that the number of attendees on day 10 will be 8.

day   1    2    3    4    5   6   7    8   9  10

#     80  40  27  20  16 13  11  10  9   8