MATH SMARTIES I WILL GIVE BRAINLIEST PLEASE INCLUDE AN EXPLINATION MEANING WRITE THE WORK ON HOW YOU GOT THE ANSWER SO I CAN UNDERSTAND PLEASE THANK YOU

Answer:
1. 7 + 5 = 12
27 - 12 = 15
15 / 3 = 5
x = 5
(Assuming that all of the x's are the same value!)
2a. 8.25 x 100 = 0.0825
25 x 0.0825
= 2.0625
(this is the tax)
2b. (add the tax + the $25 )
Step-by-step explanation:
-so so sorry if this is wrong or if it is not the answer you needed !