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19 July, 16:12

One cell phone plan charges $20 per month plus $0.15 per minute used. A second cell phone plan charges $35 per month plus $0.10 per minute used. Write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.

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  1. 19 July, 16:33
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    Both of these equations are linear, so you have to write equations in the y=my+b format. And then you have to set the equations to equal each other to find x

    Answer: 300 minutes
  2. 19 July, 16:36
    0
    Oh I just got done with this test it is 300 mins!

    Answer 300 mins!
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