Step-by-step explanation:
i don't care i don't know
Answer:
86
Step-by-step explanation:
In this question, we are asked to calculate the average mean score for a group of students split into two different emerging groups.
We calculate the total score for each of the groups. This is done by multiplying the average score by the number of students.
Total score of section A is 15 * 80 = 1,200
For section B, total score is 20 * 90 = 1,800
Overall score is thus 1200 + 1800 = 3000
We add the scores together and divide by the total number of students in both sections
Average score is thus 3000/35 = 85.71 which is approximately 86
The discount of the video game is 15%
Answer:
It's a Shrink by a factor of 1/4. you can't shrink with a whole nuber. I know it sounds weird.
Step-by-step explanation:
Answer:
x = -
Step-by-step explanation:
-
x - 1 = 
add 1 to both sides:
-x = 
multiply both sides by 4:
-3x = 
divide both sides by -3:
x = -
