The answer should be 6z + 54 but I’m not completely positive.
Suppose you flip a coin and roll a die at the same time. These are compound events. These events are independent. Independent events occur when the outcome of one event does not affect the outcome of the second event. Rolling a four has no effect on tossing a head.

First aids could be provided to the victims of the disasters which consists mostly :
- antibiotics
- band aid
- cotton
- antiseptic cream
- gauze, e.t.c.
The first Aid should be given according to the needs of the person.
About 2.1 cases so it maybe 2 full cases. Hope this helped!