//OPCIÓN 1 function getGrade (s1, s2, s3) { avg = (s1+s2+s3)/3; if (avg < 60) return "F"; else if (avg < 70) return "D"; else if (avg < 80) return "C"; else if (avg < 90) return "B"; else return "A"; } //OPCIÓN 2 function getGrade(...scores) { let avg = scores.reduce((a, b) => a + b, 0) / scores.length; if (avg < 60) return "F"; else if (avg < 70) return "D"; else if (avg < 80) return "C"; else if (avg < 90) return "B"; else return "A";