Given data:
The expression for the number of arrowheads John have J=2K.
The expression for the number of arrow Terri have T=K-2.
The expressionn for the total number of arrowheads is,
[tex]J+K+T=38[/tex]Substitute the given values in the above expression.
[tex]\begin{gathered} 2K+K+(K-2)=38 \\ 4K=40 \\ K=10 \end{gathered}[/tex]Thus, Kathy have 10 numbers of arrowheads.
