#include <stdio.h> void main() { int i, j, n=3, m=8; float average = 0.0; int a[][8] = {{78,75,65,87,89,97,89,92},{98,91,96,89,78,87,88,86},{87,82,85,86,78,67,91,89}}; printf("the average of there courses is: \n"); for(i = 0; i <n; i++) { average=0.0; for(j = 0; j < m; j++) { average += a[i][j]; } printf("%7.1f",average); } printf("\n"); }