OpenStax, Precalculus 2e §2.2 Graphs of Linear Functions · Exercise 76 · Algebra · Graphs
Graphs of Linear Functions · Exercise 76
A cell phone company offers two plans for minutes.
• Plan A: $15 per month and $2 for every 300 texts.
• Plan B: $25 per month and $0.50 for every 100 texts.
How many texts would you need to send per month for plan B to save you money?
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Precalculus 2e · §2.2 Graphs of Linear Functions · Exercise 76
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