SOLUTION: The reader has two teenaged children and wants
to choose the best plan. The first plan has a flat charge of
$.40 each day plus $.08 per minute of phone calls. Write an
expressio
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Expressions-with-variables
-> SOLUTION: The reader has two teenaged children and wants
to choose the best plan. The first plan has a flat charge of
$.40 each day plus $.08 per minute of phone calls. Write an
expressio
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Question 550830: The reader has two teenaged children and wants
to choose the best plan. The first plan has a flat charge of
$.40 each day plus $.08 per minute of phone calls. Write an
expression for the daily cost of one phone, letting x represent
the number of minutes of phone calls used in one day.
Complete the expression 9( )
The second plan charges $.25 per minute of phone calls with no additional daily charges. Write and expression for the daily cost of two phone calls letting x represent the number of minutes of phone calls used in one day.
B. Write an exression you would use to find the number of minutes of phone calls it takes for the costs to be the same. Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! (1) The first plan has daily cost =
(2) The 2nd plan has daily cost =
(3) The costs will be the same when:
The costs are the same when 2 minutes and 21 seconds
of phone calls are used in one day
