Neave played 5 games of bowling. His scores for the first 4 games were 158, 164, 104 and 180 points respectively.
- Find his average score for the first 4 games.
- After his fifth game, his average score increased by 2.1 points. Find his score for his fifth game.
(a)
Total score of first 4 games
= 158 + 164 + 104 + 180
= 606
Average score of first 4 games
= 606 ÷ 4
= 151.5
(b)
Average score of 5 games
= 151.5 + 2.1
= 153.6
Total score of 5 games
= 5 x 153.6
= 768
Score of Neave's fifth game
= 768 - 606
= 162
Answer(s): (a) 151.5; (b) 162