Task: Using what knowledge you have, solve the following equation: You are tasked with analyzing and comparing two different mobile phone plans. Plan A charges a fixed monthly fee of $30 plus $0.15 per text message. Plan B charges a fixed monthly fee of $20 plus $0.20 per text message. If you send less than 200 messages, which plan will save you more money? Show all your work.
Maximum time allowed: 45 minutes
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