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
Stuck? A gentle nudge
No hints for this one.
Your working
Check your full solution
Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.
Your first check today doesn't need an account.
Your photos and PDFs are read once and not stored — only the transcription is kept.