Answer:
n = 18
Step-by-step explanation:
N = variable
Equation: 3n - 18 = 2n
Solve:
3n - 18 = 2n
3n = 2n + 18 Add 18 to both sides
3n - 2n = 18 Subtract 2n from both sides
Hope this helps,
♥<em>A.W.E.</em><u><em>S.W.A.N.♥</em></u>
Mean or Expected Value:
μ
=
∑
x
i
n
X
P
(
)
Standard Deviation:
σ
√
−
2