multi_array.c

	#include <stdio.h>

	int main() {
		/* TODO: declare the 2D array grades here */
		float average;
		int i;
		int j;
        int grades [2][5]; /* defined multidimensional array */

		grades[0][0] = 80;
		grades[0][1] = 70;
		grades[0][2] = 65;
		grades[0][3] = 89;
		grades[0][4] = 90;

		grades[1][0] = 85;
		grades[1][1] = 80;
		grades[1][2] = 80;
		grades[1][3] = 82;
		grades[1][4] = 87;

		/* TODO: complete the for loop with appropriate terminating conditions */
		for (i = 0; i < 2; i++) { /* added i < 2 in order for the loop to cover both arrays defined above */
			average = 0; 
			for (j = 0; j < 5; j++) { /* added j < 4 in order for the loop to add each grade */
				average += grades[i][j];
			}

			/* TODO: compute the average marks for subject i */
            average /= 5;
			printf("The average marks obtained in subject %d is: %.2f\n", i, average);
		}

		return 0;
	}