Question

ramon correctly answered 80% of the questions on his math test. which of the following does NOT represent the part of the questions Ramon answered correctly?12/150.8028/3534/40

Answer 1

Notice that 80% is equivalent to

`\begin{gathered} 80\%=(80)/(100)=0.80 \\ and \\ (80)/(100)=(8*10)/(10*10)=(8)/(10)=(4)/(5) \\ and \\ (4)/(5)*(3)/(3)=(12)/(15) \\ (4)/(5)*(7)/(7)=(28)/(35) \\ but \\ (34)/(40)=(17)/(20)\\e(4)/(5) \end{gathered}`

Therefore, the answer is 34/40