Answer:
z=9.6
Step-by-step explanation:
To solve, we need to isolate z
z/12=4/5
Cross multiply
5*z=12*4
5z=48
Divide by 5 on both sides
z=9.6
Another way to approach this is to multiply both sides by 12, to"reverse"the division being done to z
z/12=4/5
12(z/12)=(4/5)12
z=9.6
