Answer:
35
Step-by-step explanation:
For every 40 students, you add 7
Ratio:
Students : Students in afterschool programs
40:7
80:14
120:21
160:28
200:35
Answer:
Answer:
3x + 3y = 0
7x - y = 8
Step-by-step explanation:
Answer:

Step-by-step explanation:
Common denominator: 18
-14/18 + 11/18
= -3/18
Reduce:
-1/6
Answer:
a=2, b=5
Step-by-step explanation:
Let
n -----> the denominator
we have

Solve for n
That means -----> isolate the variable n
Multiply by n both sides

Divide by 3.5*10^4 both sides

therefore
a=2, b=5