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Interpresting Real World Linear Equation Graphs
They're in our lives every day: cell phone plans!
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![Lineanr Equation, Real World](images/other-companies/linear-equation-real-world.jpg) |
Cell Phone Company A's calling plan is represented by the line on the left. How much does Company Charge for 20 minutes of usage?
$4
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![Graph of Rate](images/other-companies/linear-equation-real-world-picture.jpg) |
How much does cell phone company B charge for thirty minutes of usage?
$8
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![](images/other-companies/linear-equation-real-world-image.jpg) |
$6 will buy how many minutes on company C's cell phone plan?
40 minutes
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