The answer is: [C]: " 2/3, 6/9, 8/12 " .
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Answer: 20 students each year
Step-by-step explanation:
60+20= 80
80-60=20
you can do 80 minus 60 and get 20
then to double check you can add 60 and 20
Answer:
Ryan has 14 points.
Step-by-step explanation:
Multiply Mariah's loss by two. Now multiply Ryan's win by two.
Mariah: -3 x 2 = -6
Ryan: 7 x 2 = 14
Translating the situation to a mathematical sentence, and solving, we find that the solutions are: 
The translation of the problem given is:

Then, solving:



Which is a quadratic equation with
. Then:

, then:


The solutions are 
A similar problem is given at brainly.com/question/13094243