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Mariulka [41]
3 years ago
11

Ella got 36 right on the quiz. If she got an 80%, how many total points on the quiz

Mathematics
1 answer:
Zanzabum3 years ago
6 0

since we know that 36 is the 80%, how much is the 100% anyway?


\bf \begin{array}{ccll} amount&\%\\ \cline{1-2} 36&80\\ x&100 \end{array}\implies \cfrac{36}{x}=\cfrac{80}{100}\implies \cfrac{36}{x}=\cfrac{4}{5} \\\\\\ 180=4x\implies \cfrac{180}{4}=x\implies 45=x

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