The labor fee is $13.55 and each quart of oil is $2.25
Step-by-step explanation:
Let,
x be the amount of each quart of oil
y be the amount of labor fee
According to given statement;
5x+y=24.80 Eqn 1
7x+y=29.30 Eqn 2
Subtracting Eqn 1 from Eqn 2

Dividing both sides by 2

Putting x=2.25 in Eqn 1

The labor fee is $13.55 and each quart of oil is $2.25
Keywords: linear equation, subtraction
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Answer:
huh
Step-by-step explanation:
did you add anything?
Answer:
D. x ≥ -10
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Equality Properties
- Multiplication Property of Equality
- Division Property of Equality
- Addition Property of Equality
- Subtract Property of Equality
Step-by-step explanation:
<u>Step 1: Define</u>
10 - 4x ≤ 50
<u>Step 2: Solve for </u><em><u>x</u></em>
- Subtract 10 on both sides: -4x ≤ 40
- Divide -4 on both sides: x ≥ -10
Here we see that any value <em>x</em> greater than or equal to -10 would be a solution to the inequality.