Question

8 is 80% of what number A. 10.0 B. 6.4 C. 0.1 D. 640.0

Answer 1

the correct answer is A. 10

8 divided by 0.8 = 10
10x0.8=8

Answer 2

`\displaystyle\\ 80\% \cdots \cdots \cdots \cdots \cdots 8\\ 100\% \cdots \cdots \cdots \cdots ~~x \\ \\ x = (100 * 8)/(80) = (100 )/(10) = \boxed{10} \\ \\ \texttt{Correct ansver: } \boxed{A}`