A total of "a" attendees participated in a conference. Each of the "r" conference rooms that were used for the meeting room had 5 empty chairs while all chairs in the remaining conference rooms filled, which of the following expresses the relationship among r, c, and a?

a) rc-5=a
b rc+5=a
c) r+c+5=a
d) ra=c+5
e) ra= c-5

Question

A total of "a" attendees participated in a conference. Each of the "r" conference rooms that were used for the meeting room had 5 empty chairs while all chairs in the remaining conference rooms filled, which of the following expresses the relationship among r, c, and a?

a) rc-5=a
b rc+5=a
c) r+c+5=a
d) ra=c+5
e) ra= c-5

anonymous · Answer

a= attendees
r= conference rooms
c=chairs