Answer:
See attachment for flowchart
Step-by-step explanation:
The flowchart is as follows:
Step1: Start
This begins the flowchart
Step 2: Input Score1, Score2, Score3
This gets user input for the three subjects
Step 3: Average = (Score1 + Score2 + Score3)/3
This calculates the average of the three subjects
Step 4: Print Average
This displays the calculated average
Step 5: Stop
This signals the end of the flowchart