Question

Andy's phone plan charges $0.45 per text messages plus $2.25 a day. Jeff's plan charges $0.20 a text plus an additional $3.50 a day. For what number of texts a day are the costs of the phone plans the same?

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Answer 1

Andy's y=.45+2.25x
Jeff's y=.2+3.5x
At 6 texts a day both the plans will be at $4.5.
Hope this helps.