The credit remaining on a phone card in dollars
Not what you're looking for?
The credit remaining on a phone card in dollars is a linear function of the total time in minutes. When graphed, the function gives a line with a slope of -0.13.
There is a credit or $24.94 remaining on the card after 38 minutes. How much credit will there be after 47 minutes.
Can you show the work on how to solve this problem so I can understand how you arrived at the solution?
Purchase this Solution
Education
- BE, Bangalore University, India
- MS, University of Wisconsin-Madison
Recent Feedback
- "Your explanation to the answers were very helpful."
- "What does 1 and 0 means in the repair column?"
- "Went through all of the formulas, excellent work! This really helped me!"
- "try others as well please"
- "Thank you, this helped a lot. I was not sure how to plug in those numbers to a formula. This was a great help. Now I have to figure out how to explain cost of capital is used in net present value analysis, and how cost of capital is used in net present value analysis. This stuff gets confusing."
Purchase this Solution
Free BrainMass Quizzes
Exponential Expressions
In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.
Probability Quiz
Some questions on probability
Multiplying Complex Numbers
This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.
Geometry - Real Life Application Problems
Understanding of how geometry applies to in real-world contexts
Graphs and Functions
This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.