State: California Cost Per Pack:
Cost Per Pack in 1970:$.75
Cost per pack now:$7.97
The percent increase was 962.667%
State: Alabama
Cost Per Pack in 1970:$.75
The percent increase was 573.333%
Cost Per Pack:5.05
What is the average rate of increase for each year since 1970? (Round your answer to the nearest
tenth of a percent.)