Question

If 27 is r percent of 36, what is r percent of 72 ?O 540 55O 56O 570 58

Answer 1

this is

`\begin{gathered} (27)/(36)=(r)/(72) \\ r\cdot36=27\cdot72 \\ 36r=1944 \\ r=54 \end{gathered}`

answer: 54