The answer is C. 2x+3y=12
Solution of the equation: 
Step-by-step explanation:
The equation that we have to solve in this problem is:

The first step to do is to rewrite the mixed fractions as improper fractions. We have:

And

So the equation becomes

Now we multiply by 4 each term on both sides, and we get

Now we subtract 29 from both sides,

And finally, we divide both sides by 4:

Learn more about equations:
brainly.com/question/11306893
brainly.com/question/10387593
#LearnwithBrainly
(9-243)/(4-1)=-78
D)−78 contestants per round, and it represents the average rate at which the number of contestants changed from the first round to the fourth roundReport · <span>14/12/2015</span>
Answer:
there's no numbers to answer this question
Step-by-step explanation:
I apologize but all the information and table is gone there is no way to answer this for you