Answer:
[tex]w=38m[/tex]
Step-by-step explanation:
we know that
A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form [tex]k=\frac{y}{x}[/tex] or [tex]y=kx[/tex]
Let
w ----> the number of words she types
m ---> the number of minutes she types
we have
[tex]w=km[/tex]
In this problem the constant of proportionality k is equal to
[tex]k=38[/tex]
substitute
[tex]w=38m[/tex]