discount = price times % off
discount = 22.50 x 0.20
discount = $4.50
Answer:

Step-by-step explanation:
The given rational equation is

The Least Common Denominator is

Multiply each term by the LCD.

Simplify;


Expand;

Group similar terms;


Divide by -8.

Answer:5.28344 gallons
Step-by-step explanation: idk i just looked it up lol.