Answer: There are 96 students who attend Chess club on Wednesday.
Step-by-step explanation:
Since we have given that
Total number of students in challenger Middle school = 800
Percentage of students stay after school for chess club in Wednesday = 12%
So, Number of students who attend Chess club on Wednesday is given by

Hence, there are 96 students who attend Chess club on Wednesday.
<em>.... what is this train..... ❓❓</em>
Answer:
x < -7
Step-by-step explanation:
-5x + 7 > 42
Subtract 7 from each side
-5x + 7-7 > 42-7
-5x > 35
Divide each side by -5, remembering to flip the inequality
-5x/-5 <35/-5
x < -7
Answer:
x = -1 or 2
Step-by-step explanation:
Taking the antilog, you have the quadratic ...
x^2 -x -1 = 1
x^2 -x -2 = 0 . . . . subtract 1
(x -2)(x +1) = 0 . . . factor
The values of x that make these factors zero are the solutions to the equation.
x = 2 or x = -1