9x = 27x-2
-27x -27x
-18x = -2
/-18 /-18
x = 0.1111 continuing or 1/9
The order Queen Zubaida picks a Satrap and a Vizier does not matter. Since order does not matter, combination is used.
Using a calculator, we solve for nCr = 12C2 = 66 ways..
Or using the combination formula C(n,r) = n!/[(n-r)!r!]
C(12, 2) = 12!/[(10!)(2!)] = 66 ways.
The numbers they are looking for are numbers that are simple but made up. For example, start with 0. Plug 0 in for x, so the corresponding value of y is 10. For a second value, you could do 2. When x=2, y=11, etc. So essentially, put in some simple numbers for x, and solve for y. :)
Answer:
24
Step-by-step explanation: