Answer:
I think PEMDAS would be helpful for this.
Step-by-step explanation:
Given:
Last year 80 students signed up for a summer trip to Washington, D.C.
This summer 50 students have signed up to go.
To find:
The percent decrease in the number of students.
Solution:
We have,
Students in last year = 80
Students in this year = 50
Now,





Therefore, the correct option is B.
The question didn't make sense, could you add more to it?
25.3 is what i got for the first image.
The constant of proportionality is equal to 11.
<h3>Constant of Proportionality</h3>
The constant of proportionality is the ratio that relates two given values in what is known as a proportional relationship. Other names for the constant of proportionality include the constant ratio, constant rate, unit rate, constant of variation, or even the rate of change.
In this question, the constant of proportionality is that value that doesn't change or represents the number of players while x represented the number of games they played.
The constant of proportionality can be solved mathematically as

The constant of proportionality is the value that makes y = 11x and it is 11.
Learn more on proportionality here;
brainly.com/question/28413384
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