If 18 gallons of gasoline cost $23.31 how much would 12 gallons cost

Mathematics

2 answers:

FinnZ [79.3K]2 years ago

7 0

Answer:

15.60

Step-by-step explanation:

23.31/18=1.30 (for one gallon)

1.30*12=15.60 (for twelve gallons)

Damm [24]2 years ago

4 0

Answer:

$15.54

Step-by-step explanation:

Divide $23.31 by 18 to find the cost of 1 gallon, then multiply this by 12.

$23.31 ÷ 18 = $1.295 , then

12 gallons costs = 12 × $1.295 = $15.54

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lubasha [3.4K]

Answer:

$\displaystyle 6x - 5$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Distributive Property

Algebra I

Terms/Coefficients/Degrees

Step-by-step explanation:

Step 1: Define

$\displaystyle \frac{1}{6}(30x + 24) - \frac{1}{7}(63 - 7x)$

Step 2: Simplify

Distribute: $\displaystyle \frac{1}{6}(30x) + \frac{1}{6}(24) - \frac{1}{7}(63) - \frac{1}{7}(-7x)$
Multiply: $\displaystyle 5x + 4 - 9 + x$
Rearrange: $\displaystyle 5x + x + 4 - 9$
Combine like terms: $\displaystyle 6x - 5$