8 is 80% of what number A. 10.0 B. 6.4 C. 0.1 D. 640.0
the correct answer is A. 108 divided by 0.8 = 1010x0.8=8
\(\displaystyle\\ 80\% \cdots \cdots \cdots \cdots \cdots 8\\ 100\% \cdots \cdots \cdots \cdots ~~x \\ \\ x = \frac{100 \times 8}{80} = \frac{100 }{10} = \boxed{10} \\ \\ \texttt{Correct ansver: } \boxed{A}\)
