SOLUTION: Suppose you have a cellular phone in which you have committed to spend less than $30 on each monthly bill. Your rate plan costs $20 a month and includes 30 free minutes. Each addit
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Question 228154: Suppose you have a cellular phone in which you have committed to spend less than $30 on each monthly bill. Your rate plan costs $20 a month and includes 30 free minutes. Each additional minute costs $0.40. Set up and solve an inequality to determine how many minutes you may use each month to keep your bill under $30. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Suppose you have a cellular phone in which you have committed to spend less than $30 on each monthly bill.
Your rate plan costs $20 a month and includes 30 free minutes.
Each additional minute costs $0.40.
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Set up and solve an inequality to determine how many minutes you may use each month to keep your bill under $30.
20 + 0.40x < 30
0.40x < 10
x < 10/0.4
x < 25 minutes
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Cheers,
Stan H.
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