If you add the price of the ticket and drink it comes out to 12.25, subtract from 25 and the answer is 12.75
B+ 11/3= -2
⇒ b= -2 -11/3
⇒ b= -6/3 -11/3
⇒ b= -17/3
⇒ b= -5 2/3
Final answer: b= -5 2/3~
The constant variation k is 12
Essentially look at your formula sheets, Take notes on your assessment questions and you should be fine.