Answers

2014-10-26T16:24:31+05:30

This Is a Certified Answer

×
Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Number of rows in the grid = r
number of students in a row = 4
total number of students = 4×r = 4r
0
2014-10-26T16:41:07+05:30
Let the number of row =x
the number of students in each row =4 students
the total number of students = 4x

0