Respuesta :

Answer:

12

Step-by-step explanation:  

All you have to do is subtract 30 and 18 and your answer is 12.

Answer:

2/5 or 40%

Step-by-step explanation:

Take 18 away from 30 to find out the missing value of 12, and simplify to get a fraction. For a decimal input into calculator and multiply by 100