Respuesta :

Answer:

k = 168

Step-by-step explanation:

[tex]4= \frac{k}{42}[/tex] rewrite the equation

[tex]42 * 4=\frac{k}{42} *42[/tex] Multiply 42 to isolate k. Do the same on the other side

42 * 4 = 168 When you do that you get 168.