Answer:
Coefficient is equal to 12
I'm not 100% sur what it is asking but I think the expression would be
15 min. * 10 = min. till the tank is full
the discount is 22.5 * .2 =
round 22.5 to 20
20 *.2
Choice B
Answer:

General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
Terms/Coefficients
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify.</em>
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<em />
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<u>Step 2: Find Combined Volume</u>
- [Set up] Add:

- Substitute in variables:

- Combine like terms: