Answer:
Option B, r=dt is not equivalent
Step-by-step explanation:
We have given that : The formula d=rt
To find which is not equivalent in the following
so,
1) [tex]\frac{d}{r}=t[/tex] is equivalent
2) [tex]r=dt[/tex] is not equivalent because, [tex]r=\frac{d}{t}[/tex]
3) [tex]\frac{d}{t}=r[/tex] is equivalent
4) [tex]\frac{d}{rt}=1[/tex] is equivalent
therefore option B is not equivalent.