Answer:
n = 24
Explanation:
Write the equation as a fraction form.

From 54 to 9 is 54 divided by 6.
n would equal to 6 x 4
So, n is 24.
Check your answer by doing:

24 divided by 6 = 4
54 divided by 6 = 9
You can also simplify
until you can't reduce the fraction.