Lisa wrote this expression to describe the number of chairs that were set up in

Lisa wrote this expression to describe the number of chairs that were set up in the meeting hall. 8 × r which situation could be described by this expression? a. lisa knows there were a total of 8 chairs. she does not know how many rows there were. b. lisa knows there were 8 seats in each row. she does not know how many rows there were. c. lisa knows there were 8 rows altogether. she does not know how many seats were plastic. d. lisa knows there were 8 seats altogether. she does not know how many seats were reserved.