Warren played 5 games of bowling. His scores for the first 4 games were 153, 126, 108 and 115 points respectively.
- Find his average score for the first 4 games.
- After his fifth game, his average score increased by 9.7 points. Find his score for his fifth game.
(a)
Total score of first 4 games
= 153 + 126 + 108 + 115
= 502
Average score of first 4 games
= 502 ÷ 4
= 125.5
(b)
Average score of 5 games
= 125.5 + 9.7
= 135.2
Total score of 5 games
= 5 x 135.2
= 676
Score of Warren's fifth game
= 676 - 502
= 174
Answer(s): (a) 125.5; (b) 174