Answer:
18/5
Step-by-step explanation:
5.4/12 = 1/8 is equivalent to (5.4)(1/12) = (z/8), or
(54/10)(1/12) = z/8.
The LCD is (10)(8)(12), or 120.
Mult. both sides by 120 yields 54 = 15z.
Dividing both sides by 15, we get z = 54/15 = 18/5 = z
