Mathematics, 29.07.2019 12:00 limelight11
Sergio's internet provider charges its customers $11 per month plus 3¢ per minute of on-line usage. sergio received a bill from the provider covering a period and was charged a total of $42.40. how many minutes did he spend on-line during that period? (round to the nearest whole minute, if necessary.)
Answers: 1
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Sergio's internet provider charges its customers $11 per month plus 3¢ per minute of on-line usage....
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