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0.5% of what number is 0.8?

User Keval
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1 Answer

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To solve the exercise, we can use a rule of three:


\begin{gathered} 0.5\text{\%}\rightarrow0.8 \\ 100\text{\%}\leftarrow x \end{gathered}
\begin{gathered} x=\frac{100\text{\%}\cdot0.8}{0.5\text{\%}} \\ x=(100\cdot0.8)/(0.5) \\ x=(80)/(0.5) \\ x=160 \end{gathered}

Therefore, 0.8 is 0.5% of 160.

User Wpgreenway
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