Asher, Eric, Oscar and Will participated in a Chinese quiz. The average number of points scored by Asher and Eric was 75. The average number of points scored by Eric and Will was 70.3. The average number of points scored by Asher, Eric and Will was 73. The average number of points scored by Oscar and Will was 68. How many points did each of them score?

1. Will
2. Asher
3. Eric
4. Oscar

(a)
Total score of Asher and Eric
= 75 x 2
= 150

Total score of Eric and Will
= 70.3 x 2
= 140.6

Total score of Asher, Eric and Will
= 73 x 3
= 219

Will's score
= 219 - 150
= 69

(b)
Asher's score
= 219 - 140.6
= 78.4

(c)
Eric's score
= 140.6 - 69
= 71.6

(d)
Total score of Oscar and Will
= 68 x 2
= 136

Oscar's score
= 136 - 69
= 67

Answer(s): (a) 69; (b) 78.4; (c) 71.6; (d) 67