Answer:
x = 5
Step-by-step explanation:
Hello there! ^-^
To solve, do the following.
2n + 6 = 8n and 6n - 2 = 4n
I think you can take it from here ;)
If not just simply message me
Answer:
67.2
Step-by-step explanation:
5 + 7 = 12
6 * 12 = 72
72 - 4.8 = 67.2
Answer:

Step-by-step explanation:
If we don't care about the order (like if we pick Bob then Joe vs Joe then Bob), then a formula is
where we are picking k items from a list of n items
In our case, n=22 and k=15
Therefore, there are 




