Saturday, nola bowled 3 games in her bowling league. she had a mean score of 115. the score of her first game was 110. the score

Question

3 years ago

9

of her second game was 90. what was the score of her third game?
A.145
B.345
C.140
D.225

2 answers:

Elina [12.6K] · Answer 1 · 2022-05-25T04:38:41+03:00

7 0

110+90+145=345
345 divided by 3=115

so the score of her third game was 145 points.
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Snowcat [4.5K] · Answer 2 · 2022-05-25T06:44:32+03:00

Answer: A.145

Step-by-step explanation:

Given : Nola bowled 3 games in her bowling league.

She had a mean score of 115.

The score of her first game was 110.

The score of her second game was 90.

Let x denotes the score of her third game.

The formula to find the mean score is given by :-

$\text{Mean score}=\dfrac{\text{Sum of scores }}{\text{Number of tests}}\\\\\Rightarrow\ 115=\dfrac{110+90+x}{3}$

Multiply 3 on both the sides, we get

$345=200+x$

Subtract 200 from both the sides , we get

$x=345-200=145$

Therefore. the score of her third game = 145