Answer: 4 Area Codes/year
Step-by-step explanation:
1996 171
2007 215
CHANGE:
11 years
44 additional codes
44 Codes/11 years = 4 codes/year
If i remember correctly.. it’s C, you cant have the X values repeating.
Just plug in the answers into the equation until it equals eachother;
3(6)+-3=15 15=15
2(6)+-3=6 6=6
Hope this helped!