Answer:
9.30%
Explanation:
Given;
The average rate in the national average N = 8.3%
The average rate in Maryland R = 12% higher than national
R = N + 12% of N
R = N + 0.12N
R = 1.12N
R = 1.12 × 8.3%
R = 9.296%
R = 9.30%
Rate of diabetes in Maryland = 9.30%