Wait I don’t really get it but if you mean the result it is -5x^2 + 5 tho
So, first, since 21.8 is a whole thing and you need a part, write x/21.8. Then, compare it to 60/100, or 60%. 100/21.8=4.76. So, divide 60/4.76 and your answer is 12.6.
Glad to help.
-A
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B
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i estimated this answer
Answer:
huhhh i dont understand fully
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