Respuesta :

the answer to this problem is z=5/3

Answer:

5/3

Step-by-step explanation:

the easiest way is to set both sides equal to each other.

4      12

--  =  ----

z        5

Next cross multiply to get the equation of 12z=4(5) or 12z=20

Finally, divide both sides by 12 to solve for z and simplify.