A tank can hold n gallons of gas. If x gallons of gas have been used, what percent of the gas has not been used?

A) 100x
------
n

B) n
--------
100x%

C) 100n
---------%
x

D) n
------------%
100 (n-x)

E) 100(n-x)
--------------%
n

Respuesta :

Answer: answer is E

Step-by-step explanation:

100(n-x)

--------------%

n