Answer:
4.66667
Step-by-step explanation:
The answer is kindly 21 (100% correct)
If I’m not wrong each ticket was 8.75
Because 43.75 divided by 5= 8.75:)
Answer:

Step-by-step explanation:
First, note that

And using the chain rule in one variable

Now remember that the chain rule in several variables sates that

Therefore the chain rule in several variables would look like this.
