Mcfarlane Simmons
01/03/2023 · Primary School
A pre-paid cell phone company charges \( \$ 10.05 \) as a monthly access fee and \( \$ 0.11 \) per minute of calling time. Express the monthly cost \( C \) in terms of minutes of call time.
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Step-by-step Solution
To express the monthly cost \( C \) in terms of minutes of call time, we can break down the cost into two components: the monthly access fee and the cost per minute of calling time.
1. The monthly access fee is \( \$10.05 \).
2. The cost per minute of calling time is \( \$0.11 \).
Let \( m \) represent the number of minutes of call time used in a month. The total cost \( C \) can be expressed as:
\[
C = \text{Monthly Access Fee} + \text{Cost per Minute} \times \text{Number of Minutes}
\]
Substituting the values we have:
\[
C = 10.05 + 0.11m
\]
Thus, the monthly cost \( C \) in terms of minutes of call time \( m \) is:
\[
C = 10.05 + 0.11m
\]
Quick Answer
\( C = 10.05 + 0.11m \)
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