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Math

A cell phone company offers two different plans.
Plan A: Monthly fee of $28
30 free minutes
$0.45 per additional minute
 
Plan B: Monthly fee of $40
No free mins
$0.25 per additional minute

Determine the time in the mins that results in the same monthly cost for both plans.


 
 
 

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  1. 28 + .45(n-30) = 40 + .25n

    Solve for n.

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  2. 1. One monthly phone plan costs $20 for 250 minutes of talk plus 10 cents for every text message. Another monthly plan offers 250 minutes for $30 plus 5 cents for every text message. Caroline expects to talk less than 250 minutes a month but will use the texting often. How many text messages will she need to send for both plans to cost the same?

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  3. i think these typa questions are and worthless

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