cheGicar6bjul8ing cheGicar6bjul8ing 30-11-2016 Mathematics contestada A father is 1 year older than 3 times the age of his son. The son is 20 years old. Let F = the age of the father. Which formula would calculate the father's age? 1. F=3(20-1) 2. F + 1 = 3(20) 3. F - 1 = 3(20)