Zeph, Reggie, Simon and Nick participated in a Social Studies quiz. The average number of points scored by Zeph and Reggie was 74. The average number of points scored by Reggie and Nick was 70.1. The average number of points scored by Zeph, Reggie and Nick was 72. The average number of points scored by Simon and Nick was 65. How many points did each of them score?

1. Nick
2. Zeph
3. Reggie
4. Simon

(a)
Total score of Zeph and Reggie
= 74 x 2
= 148

Total score of Reggie and Nick
= 70.1 x 2
= 140.2

Total score of Zeph, Reggie and Nick
= 72 x 3
= 216

Nick's score
= 216 - 148
= 68

(b)
Zeph's score
= 216 - 140.2
= 75.8

(c)
Reggie's score
= 140.2 - 68
= 72.2

(d)
Total score of Simon and Nick
= 65 x 2
= 130

Simon's score
= 130 - 68
= 62

Answer(s): (a) 68; (b) 75.8; (c) 72.2; (d) 62