Final answer:
Henrietta and Day were 18 and 20 years old when they got married.
Step-by-step explanation:
The question is asking about the ages of Henrietta and Day when they got married. To determine the correct answer, we need to look at the provided options. option a) says 18 and 20, option b) says 21 and 25, option c) says 30 and 32, and option d) says 35 and 40. Based on these options, the correct answer is option a) 18 and 20.