299.95×0.25=74.99
299.95−74.99=224.96
21.59×12=259.08
100*(259.08 - 224.96)/224.96 = 15.2%
Answer:

Step by step explanation:









Answer:
Option B
Explanation:
Check out my work I attached
Hope it helps, Let me know if you have any other questions !
Have a nice rest of your day :)
The constants are 2, -10, and 5
the variables are x and y