Solve the equation

5.4/12 = z/8

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