a) The main method will do the following: asks the user for 3 number (double type) calls the threeAve method . print the average of the three numbers b) The threeAve method will do the following: receives 3 numbers (parameters) calculate the average of the three numbers returns the average Sample Run: Input the first number: 2.5 Input the second number: 3.5 Input the third number: 6.6 The average is 4.2

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