Answer:
the value is 60
Step-by-step explanation:
Hello, i think I can help you with this.
to solve this you can use a simple rule of three
Step 1
if 50% is 30, how much is the 100%?
50% ⇒ 30
100%⇒ x?
the relation is

Do not hesitate to ask me any questions about it.
Have a fantastic day.