Respuesta :

[tex]\begin{gathered} \text{Scarlett can type 135 word in 3 minute} \\ So,\text{ in 1 min } \\ \Rightarrow1\min =\frac{135}{3}=45\text{ word} \\ So, \\ \text{Scarlett will type 45 word in 1 minute.} \end{gathered}[/tex]