• Due before class on Wednesday, February 22
• This homework contains code to be submitted electronically. Put your code in a folder called hw15 and submit using the 204sub command.
• This is an electronic homework and you do not need to print out anything to turn in during class.

Assignment

1. Required reading: Sections 1 (writing functions) and 2 (function design) from the Unit 5 notes,
2. Write a program called average.c that reads in three numbers and prints out their average.

   Write and use a function with the following prototype to compute the average:

   double average(double x, double y, double z);

   Example runs:

   roche@ubuntu$ ./average
   Enter three numbers: 1 2 3
   The average is 2
   
   roche@ubuntu$ ./average
   Enter three numbers: 2.1 2.1 2.1
   The average is 2.1
   
   roche@ubuntu$ ./average
   Enter three numbers: 8 6 12
   The average is 8.66667