Answer:
C
Step-by-step explanation:
Once

We know that 
There are infinity values for
, but considering 
Below we have all the solutions for 
Negative:

Positives:

We can see that 
B:
Explanation that equation is the B
It would be best sometimes to <span>make a phone call or personal contact when conveying sensitive information because in this way you can make sure that the information is conveyed directly to the person. Hope this answers the question. Have a nice day.</span>
The answer is B. First turn all the results from the spelling competition into fractions (or ratios).
Megan: 45/50 = 9/10
Justin: 27/30 = 9/10
Fernando: 84/120 = 7/10
Then, use this information to find which answer is correct.
Have a nice day! :)