On Chatty Cathy’s cell phone plan she pays for minutes used plus a fixed monthly

QuestionsCategory: MathOn Chatty Cathy’s cell phone plan she pays for minutes used plus a fixed monthly
Lisa Howell asked 8 months ago
On Chatty Cathy’s cell phone plan she pays for minutes used plus a fixed monthly charge. For 500 minutes she pays $35 total, and for 1500 minutes used she pays $55 total.

What is her monthly fixed charge?

A) $15
B) $20
C) $25
D) $30

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