Answer:
The play started at 5:10 PM.
Explanation:
We are given the following in the question:
Length of first act = 45 minutes
Length of intermission = 55 minutes
Length of second act = 1 hour and 10 minutes
1 hour = 60 minutes
Thus, length of second act =
![=60+10\\=70\text{ minutes}](https://img.qammunity.org/2021/formulas/mathematics/high-school/tspircpbw0f5mgvvmiaxa4p4zygix7brrx.png)
The second part ended at 8:00 PM. We have to find the starting time of play.
Starting time of play =
![= 8-(45+55+70)/(60)\\=8 - 3\text{ hours} + 10\text{ minute}\\=5:10\text{ PM}](https://img.qammunity.org/2021/formulas/mathematics/high-school/dmqcctt6ssh66oemup9avlxclzlzdyu7qt.png)
Thus, the play started at 5:10 PM.