If the school has 3000 students, there are
.. (3000 -30)/27 = 110
homerooms with 27 students.
Then there were 3*110 +4 = 334 participants in the survey.
The equation is 2x+6=x-7
then we solve it, 2x-x=-7-6
so x=-13
Answer:
Q1: $1.2 Q2: 5 pens
Step-by-step explanation:
~Hello There!~
6.856 + 7.923 + 8.135 = 22.914
22.914/3 = 7.638 <=== Mean score
Hope This Helps You!
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Have A Great Day ^_^
- Hannah ❤