OpenStax, Precalculus 2e §2.2 Graphs of Linear Functions · Exercise 75 · Algebra · Graphs
Graphs of Linear Functions · Exercise 75
A cell phone company offers two plans for minutes.
• Plan A: $20 per month and $1 for every one hundred texts.
• Plan B: $50 per month with free unlimited texts.
How many texts would you need to send per month for plan B to save you money?
OpenStax, Precalculus 2e · §2.2 Graphs of Linear Functions · Exercise 75
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