Could you please clarify the question please by putting a question to be solved? Or are you asking for the definition?
20/28 are female. Since there are 8 male students you just have to subtract 28-8 and you'll get the female total.
Answer:
(3,10)
Step-by-step explanation:
When x is 3

y is 11, and this is invalid because it is not at accord.
Well, if you just divide 4000 by 50, you can see that the answer will come out as:
<em><u>80
</u></em>~TO check: 80 multiplied by 50 would come out to the answer of 4,000.
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</u>Hope this helped! :D</em>