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  • 12-04-2017
  • Mathematics
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if plan a is $20 line fee plus$15 per gb and plan b is $20 per gb and noline fee find the number of gb where each plan would cost the same

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irspow
irspow irspow
  • 12-04-2017
20g=20+15g  subtract 15g from both sides

5g=20 divide both sides by 5

g=4

So both plans cost the same when 4gb are used...
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