[See Solution] A plumber charged a customer $456 listing $36 for parts and the remainder for labor. If the cost of labor is $70 per hour, how many hours
Question: A plumber charged a customer $456 listing $36 for parts and the remainder for labor. If the cost of labor is $70 per hour, how many hours did the plumber work?
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Solution: Given the equation y = mx + b, solve for
(All Steps) Multiply
![[Solution] Solve the system of equations by](/images/solutions/MC-solution-library-54245.jpg "[Solution] Solve the system of equations by any method x+y=6")
[Solution] Solve the system of equations by any method x+y=6
![[Solution] Solve the system of equations by](/images/solutions/MC-solution-library-54246.jpg "[Solution] Solve the system of equations by any method 2x+3y=1")
[Solution] Solve the system of equations by any method 2x+3y=1
![[Solution Library] You invested 11,000 in stocks](/images/solutions/MC-solution-library-54247.jpg "[Solution Library] You invested 11,000 in stocks and bonds, paying")
[Solution Library] You invested 11,000 in stocks and bonds, paying
The Basic Concept of Derivatives - MathCracker.com