Enter the number only. Do not include units like $, %, or ft²
Showcase extra: the real practice and quiz players do not have this button.
Correct answer:
- Identify the starting amount: The description says the pool already holds 30 gallons before the hose is turned on.
- Recognize it as the value at : Before any change (at ), the amount is 30.
- State the y-intercept: The y-intercept is 30.
