Answer:
7, 10 and 15
Step-by-step explanation:
Given
--- Students already enrolled
Required
Determine the additional number of students needed for the teacher not to cancel the class
First, we need to calculate the number of students for the teacher to cancel the class.
Represent this with x.
So, we have:
Make x the subject
Substitute values for Total and S1
This means that if less than 7 additional students come to the class, the teacher will cancel the class.
So, for the teacher not to cancel the class, the students must be 7 or greater (i.e. 7, 8, 9, 10....)
Answer:
8
Step-by-step explanation:
ab = 2 * 4 = 8
x+y=12000
y=12000-x
(x)(.0615)+y(.06)=12736
x(.0615)+(12000-x)(.06)=12736
Let me know if you need more help. This is a system of equations problem I believe.
Answer:
Andy gets 7 questions wrong.
Step-by-step explanation:
Let A, B, C and D be the number of questions answered wrong by Andy, Beth, Charlie, and Daniel, respectively.
Andy and Beth together get the same number of questions wrong as Charlie and Daniel together:
Andy and Daniel together get four more questions wrong than Beth and Charlie do together:
Charlie gets five questions wrong:
Solving the linear system:
Andy gets 7 questions wrong.
Answer:
4,3
Step-by-step explanation:
i think im sure
