Answer:
B
Step-by-step explanation:
50 years
the answer is 50 years bc 2% of 3000 is 60 and to get to 300 from 60 you would multiply by 50 to get 3000 added to the populationg colorado has now you get 6000.
brainliest pls
4x+12=90
4x=90-12
4x=8
x=8/4
x=2