Warren, Seth, Michael and Jenson participated in a Science quiz. The average number of points scored by Warren and Seth was 76. The average number of points scored by Seth and Jenson was 70.2. The average number of points scored by Warren, Seth and Jenson was 73. The average number of points scored by Michael and Jenson was 69. How many points did each of them score?

1. Jenson
2. Warren
3. Seth
4. Michael

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

Total score of Seth and Jenson
= 70.2 x 2
= 140.4

Total score of Warren, Seth and Jenson
= 73 x 3
= 219

Jenson's score
= 219 - 152
= 67

(b)
Warren's score
= 219 - 140.4
= 78.6

(c)
Seth's score
= 140.4 - 67
= 73.4

(d)
Total score of Michael and Jenson
= 69 x 2
= 138

Michael's score
= 138 - 67
= 71

Answer(s): (a) 67; (b) 78.6; (c) 73.4; (d) 71