You gotta use trig take the incomplete data and extrapolate from it
The answer would be C because they say if 3 new students arrived each year.
69.75
I hope this helped you out!!
Answer: a = 15
Step-by-step explanation:
6a + 10 = 3a + 55
Subtract 10 from both sides
6a = 3a + 45
Subtract 3a from both sides
3a = 45
Divide each side by 3
a = 15
