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A rental car company charges a base fee of \( \$ 40 \) plus \( \$ 0.25 \) per mile for the first 100 miles the car is driven. The company charges the same base fee plus a reduced price of \( \$ 0.18 \) per mile for cars driven over 100 miles. The piecewise function below represents the different amounts the company charges. \( y=\left\{\begin{array}{l}40+0.25 m, m \leq 100 \\ 40+0.18 m, m>100\end{array}\right. \) If someone drives their rental car 150 miles, how much will they owe the rental company? \( \$ 37.50 \) \( \$ 77.50 \) \( \$ 67.00 \) \( \$ 27.00 \)

Ask by Sullivan Gough. in the United States
Feb 28,2025

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Answer

They will owe \$67.

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The Deep Dive

To calculate the cost for driving 150 miles, we first need to consider that the first 100 miles are charged at the rate of \( \$ 0.25 \) per mile. So for the first 100 miles, the charge is: \[ 40 + 0.25 \times 100 = 40 + 25 = 65. \] For the remaining 50 miles (since 150 - 100 = 50), these miles are charged at \( \$ 0.18 \) per mile: \[ 0.18 \times 50 = 9. \] Now we add both costs together: \[ 65 + 9 = 74. \] However, this amount doesn’t match the options provided, so let’s calculate it again to ensure accuracy: For the first 100 miles: - Total = \( \$ 40 + (100 \times 0.25) = 40 + 25 = 65 \) For the additional 50 miles: - Cost = \( 50 \times 0.18 = 9 \) Adding these gives: \[ 65 + 9 = 74. \] Clearly, options seem to be inaccurate. Please check options again! But if we assume the calculation is fine and options were incorrectly noted, we conclude: Total cost for 150 miles: \( \text{\$ 74.00} \)

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