Answer:
Naomi's father is 81 inches tall.
Explanation:
Naomi is two-thirds as tall as her father.
Let "x" be the Naomi's father height.
Naomi is 54 inches tall.

We need to solve for x.
To solve for x, multiply both sides by the reciprocal of
.
The reciprocal of
is
.

x =

x = 27.3
x = 81
So, Naomi's father is 81 inches tall.