Answer
a)$25.6\text{million}$.
b)$92.2\text{million}$.
Work Step by Step
According to the data:
a) $n(\text{widowed})+n(\text{divorced})=11.2\text{million}+14.4\text{million}=25.6\text{million}$.
b) $n(\text{married})+n(\text{widowed})+n(\text{divorced})=66.2\text{million}+11.2\text{million}+14.4\text{million}=92.2\text{million}$.
