Question

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 of her second game was 90. What was the score of her third game?

A. 145
B. 345
C. 140
D. 225

Answer 1

C. 140 Hope This Helps!

Answer 2

Nola bowled 3 games with a mean score of 115.

The score of her first game is 110 and score of second game is 90.

So, score 1 = 110 and score 2 = 90

We have to find the score of her third game.

Let 'x' be the score of the third game.

Mean or average of a set of values is the ratio of the sum of these values to the number of elements in the set.

Mean score = $\frac{score 1 + score 2 +score 3}{3}$

115 = $\frac{110 + 90 +x}{3}$

$115 \times 3 = 200+x$

345 - 200 = x

x = 145.

So, the score of her third game is 145.