Answer:
I'm not sure what your talking about? Is there a math equation? I need more information to answer this question.
Step-by-step explanation:
412.5 percent
She would need to get a 90% or more.
a = 0
4(a-2) = 2(a-4) + 2a
4a - 8 = 2a - 8 + 2a
4a - 2a - 2a = -8 + 8
0 = 0