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A rental car company charges a base fee of [tex]$\$[/tex]40[tex]$ plus $[/tex]\[tex]$0.25$[/tex] per mile for the first 100 miles the car is driven. The company charges the same base fee plus a reduced price of [tex]$\$[/tex]0.18[tex]$ per mile for cars driven over 100 miles. The piecewise function below represents the different amounts the company charges.

\[
y=\left\{\begin{array}{ll}
40 + 0.25m, & m \leq 100 \\
40 + 0.18m, & m \ \textgreater \ 100
\end{array}\right.
\]

If someone drives their rental car 150 miles, how much will they owe the rental company?

A. $[/tex]\[tex]$37.50$[/tex]

B. [tex]$\$[/tex]77.50[tex]$

C. $[/tex]\[tex]$67.00$[/tex]

D. [tex]$\$[/tex]27.00$


Sagot :

Let's solve this step-by-step based on the information provided.

1. Understanding the Problem:
- The base fee for renting the car is [tex]$\$[/tex]40[tex]$. - For the first 100 miles driven, the cost is $[/tex]\[tex]$0.25$[/tex] per mile.
- For any miles driven over 100 miles, the cost is [tex]$\$[/tex]0.18[tex]$ per mile including the base fee. 2. Given Data: - The car is driven for 150 miles. 3. Calculate the Cost for the First 100 Miles: - The cost for the first 100 miles can be computed as: \[ \text{Cost for first 100 miles} = 40 + (0.25 \times 100) = 40 + 25 = \$[/tex]65
\]

4. Calculate the Cost for the Additional Miles:
- Now, compute the cost for the 50 miles driven over the initial 100 miles.
[tex]\[ \text{Cost for additional 50 miles} = 0.18 \times (150 - 100) = 0.18 \times 50 = \$9 \][/tex]

5. Calculate the Total Cost:
- Add the cost for the first 100 miles to the cost for the additional 50 miles.
[tex]\[ \text{Total Cost} = 65 + 9 = \$74 \][/tex]

Thus, the total amount owed to the rental company when the car is driven for 150 miles is [tex]$\$[/tex]74[tex]$. So, the correct answer is: $[/tex][tex]$ \$[/tex] 74.00
[tex]$[/tex]
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