The table below shows vacation preferences of families with children under 16 and over 16:

| Summer Vacation | Camping | Traveling out of state | Activities in local area | Row totals |
|-------------------------|---------|------------------------|--------------------------|------------|
| At least one child under 16 | 22 | 12 | 36 | 70 |
| All children 16 or older | 17 | 45 | 20 | 82 |
| Column totals | 39 | 57 | 56 | 152 |

Sharon mistakenly calculated the marginal relative frequency for traveling out of state to be 57 out of 100 or 57%. What should Sharon have done, and what is the correct answer?

A. She should have divided 57 by 152: 37.5%
B. She should have divided 12 by 57: 21%
C. She should have divided 45 by 57: 79%
D. She should have divided 45 by 82: 55%