SOLUTION: A phone company offers two monthly plans. Plan A costs 9 plus an additional 0.13 for each minute of calls. Plan B costs 16 plus an additional 0.08 for each minute of calls.

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Question 1194332: A phone company offers two monthly plans. Plan A costs 9 plus an additional 0.13 for each minute of calls. Plan B costs 16 plus an additional 0.08 for each minute of calls.
Found 2 solutions by ikleyn, josgarithmetic:
Answer by ikleyn(52803) About Me  (Show Source):
You can put this solution on YOUR website!
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A phone company offers two monthly plans. Plan A costs 9 plus an additional 0.13 for each minute of calls.
Plan B costs 16 plus an additional 0.08 for each minute of calls.
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Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
What is the money unit? What problem solved is wanted? For how many minute will the two plans be of equal cost?

Plan A: 0.13x%2B9
Plan B: 0.08x%2B16

Both plans become equal in cost being 0.13x%2B9=0.08x%2B16, and you can solve this for x number of minutes.