Beryl made the following matrices about students at her school: Text messages sent by sophomores, juniors and seniors Monday — T
hursday: X = 321 409 177 Text messages sent by sophomores, juniors and seniors Friday, Saturday and Sunday Y = 202 305 291 What would be the size of the matrix that represents text messages sent by sophomores, juniors and seniors in one week?
The size of the matrix that represents text messages sent by sophomores, juniors and seniors in one week would be of 1x3, that is, 1 row and 3 columns. In each column goes the text messages sent by each group of students, like in the matrices for Monday - Thursday and for Friday, Saturday and Sunday.
