When x = 5, the value of the expression StartFraction 20 Over negative 25 plus x EndFraction–2(x – 10) is
2 answers:
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The cost of meal =
The tip to the waiter = %
Discount = %
Cost =
Cost =
Cost = $0
300 messages would have to be sent or received in order for the plan to cost same each month.
Step-by-step explanation:
Given,
Cost per month = $30
Per text sent or received charges = $0.10
Let,
x be the number of texts sent or received.
A(x) = 0.10x+30
A comparable plan costs = $60 per month
Text messages are unlimited.
B(x) = 60
For the two plans to cost equal;
A(x) = B(x)
Dividing both sides by 0.10
300 messages would have to be sent or received in order for the plan to cost same each month.
Keywords: function, addition
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