Answer:
it's pretty hard right now for ne

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So, we have the following equation...

Remember
and
is the following...

Therefore, 
So, your final answer is
.
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<em>Glad to help!</em>

Multiply your total by your percentage
90 * .80 = 72
72 is the number of questions she answered correctly
The scale factor is About 1.077. It is important to know how to Find scale factor to understand how much smaller is the object from the other, it helps in Construction and architecture mainly but it helps with other things too.