Question

You have 18 out of 20 homework sections completed. what percent do you have completed?

Answer 1

80% 0f homework complete

Answer 2

if we take 20 to be the 100%, what is 18 in percentage off of it?


`\bf \begin{array}{ccllll} amount&\%\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ 20&100\\ 18&x \end{array}\implies \cfrac{20}{18}=\cfrac{100}{x}`

solve for "x".