Question

Which ratio isn't equivalent to the others? a 2:1 b 9:3c 8:4d 10:5

Answer 1

b. 9:3

Step-by-step explanation:

To determine the equivalent ratios. reduce each to its lowest form:

`\begin{gathered} 2\colon1=2\colon1 \\ 9\colon3=3\colon1 \\ 8\colon4=2\colon1 \\ 10\colon5=2\colon1 \end{gathered}`

Thus, the ratio that is not equivalent is 9:3.