/* Name: Andrew Charles Breiner
 * Homework 1
 * Chapter 2, Page 92, Program 6
 * Get current and desired grade along with percent of final
 * and determine grade needed on final
 */

#include <stdio.h> /* printf, scanf definitions */

int main(void) {
    double des, cur, per, fin; /* declares as type double */
    char grade; /* declares as type char */

    /* Asks user for the input and calculate needed grade*/
    printf("Enter desired grade> ");
    scanf("%c", &grade);
    printf("Enter minimum average required for desired grade> ");
    scanf("%lf", &des);
    printf("Enter current average in course> ");
    scanf("%lf", &cur);
    printf("Enter how much the final counts");
    printf("as a percentage of the course grade> ");
    scanf("%lf", &per);
    fin = ( des - cur * (100 - per) * .01) / (per * .01);

    /* Output needed grade */
    printf("You need a score of %.2f on the final to get a %c.\n", 
            fin,grade);

    return 0;
} //main