Question

Kevin rented a generator from a tool rental service. The rental charge was dollars for the first hour and dollars for each additional hour. If Kevin paid a total of dollars, excluding sales tax, how many hours did he rent the generator?
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Answer Choices

  • A.
  • B.
  • C.
  • D.
  • E.

Steps

ExplanationCalculationsHelp
We first define the variable for the total hours Kevin rented.
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TRANS1-A
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We translate "18 dollars for the first hour" and "7 dollars for each additional hour" into a cost expression and set it equal to "60 dollars".
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TRANS1-B
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We then isolate the variable to solve the equation.
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EQUA1-A
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Final Answer

B