Answer:

Step-by-step explanation:
Given the equation

Note that

and

Combined, 
Solve the equation:

Since
this is the solution to the equation.
If one adult ticket costs
, then three adult tickets cost 
Similarly, if one child ticket costs
, then nine child tickets cost 
So, in total, the price will be

Answer:
cos − 1 ( x ) [ − 1 , 1 ] [ 0 , π ]
Answer:
Try to find the unit rate for bulk items that you have for these and then compare all of the prices together.
Subtract 430 and 512 and turn into a percent
82%
Than 430+512is942
Divide by 82%is11.487804
Skip a few times until u reach 11.48
Add 4+8 and then dvd:1 dvd to buy
So 4+8is12 plus 11 is 23 and one dvd it’s 24
So the answe is 24%