Asher, Seth, Luis and Japheth participated in a Science quiz. The average number of points scored by Asher and Seth was 76. The average number of points scored by Seth and Japheth was 71.3. The average number of points scored by Asher, Seth and Japheth was 71. The average number of points scored by Luis and Japheth was 66. How many points did each of them score?

1. Japheth
2. Asher
3. Seth
4. Luis

(a)
Total score of Asher and Seth
= 76 x 2
= 152

Total score of Seth and Japheth
= 71.3 x 2
= 142.6

Total score of Asher, Seth and Japheth
= 71 x 3
= 213

Japheth's score
= 213 - 152
= 61

(b)
Asher's score
= 213 - 142.6
= 70.4

(c)
Seth's score
= 142.6 - 61
= 81.6

(d)
Total score of Luis and Japheth
= 66 x 2
= 132

Luis's score
= 132 - 61
= 71

Answer(s): (a) 61; (b) 70.4; (c) 81.6; (d) 71