1) Write a method named average3 that accepts three integers as parameters and r

Question

1) Write a method named average3 that accepts three integers as parameters and returns the average of the three values. For example, the call average3(15, 22, -1) should return 12.0.

2) Write a method named grade that accepts an integer parameter representing a student's course grade from 0 to 100, and returns the student's course grade on the 4.0 scale. Use the following mapping: (Note: This mapping is fictional and does not represent how we will assign actual grades in this course!)
Score ? 60   61    62   63 ...   98    99    100
Grade    0.0 0.1 0.2 0.3 ... 3.8   3.9   4.0

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