Jessica scored 22 points in each of the first three games. What does she need to score in the fourth game to raise her average to 24 points ?
3 Answers
Oct 14, 2017
She has to score
Explanation:
Here we have 4 numbers (scores):
We have to find the value of
(22+22+22+x)/4=24
(66+x)/4=24
66+x=96
x=30
Answer: Jessica has to score
Oct 14, 2017
30
Explanation:
Let she has to score x in her next game.
So, she scores in 4 games = 22+22+22+x = 66 +x points.
Again, average of 4 games is equals to 24 points.
So, total points = 24 x 4 = 96 points.
Now as per question, 66 + x = 96
or, x = 96 - 66 = 30
Oct 14, 2017
Explanation:
Another way...
Notice that Jessica wants to increase the mean of her scores by
So she needs to score an additional