There are 9 aides in a school and 24 students for every teacher. if there are s students in the school, what is an expression for the total number of teachers and aides? evaluate the expression for 240 students.

Required expression :

Total number of teachers and aides for 240 students is 19.

Step-by-step explanation:

It is given that there are 9 aides in a school and 24 students for every teacher. It means the number of aides remain constant and number of teachers depend on the number of students.

24 students = 1 Teacher

1 student = Teachers

s students = Teachers

If there are s students in the school, then the expression for the total number of teachers and aides is

We need to find the value of this expression for 240 students.

Substitute s=240 in the above expression.

Therefore, the total number of teachers and aides for 240 students is 19.

step-by-step explanation:

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step-by-step explanation:

sin(7pi/6 - pi/3)  

= sin(7pi/6 - 2pi/6)  

= sin(5pi/6)  

= sin(pi - pi/6)  

= sin(pi/6)  

= 1/2  

sin 7pi/6 - sin pi/3  

= sin (pi + pi/6) - sin pi/3  

= -sin pi/6 - sin pi/3  

= -1/2 - sqrt(3)/2  

= -(1+sqrt(3))2