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What is the equation that can be used to find the number of dollars he paid per hour of labor

What is the equation that can be used to find the number of dollars he paid per hour-example-1
User Avmohan
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1 Answer

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120 + 5d = 445 <==

** parts + labor = 445
p = 120
labor = 5 hrs * d...where d is cost per hr
User Erran
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