Answer:
[tex]\frac{3}{2}[/tex] z + [tex]\frac{3}{2}[/tex]
Step-by-step explanation:
the product of 12 and 5z + 5 = 12(5z + 5) = 60z + 60
[tex]\frac{1}{20}[/tex](60z + 60) = 3z + 3
50% = [tex]\frac{1}{2}[/tex], hence
[tex]\frac{1}{2}[/tex](3z + 3) = [tex]\frac{3}{2}[/tex] z + [tex]\frac{3}{2}[/tex]
