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.)

the  office resources  are the human, physical and financial  resources  which are utilized for performing all the activities in order to achieve the organizational objectives.

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a) y = -3x +2

b) y = 1/2x -6

these 2 can be combined into one equation.

-3x +2 = .5x -6

8 = 3.5x

x = 8 / 3.5 = 2.2857142857

y = -3 * (8 / 3.5) +2

y = (-24 / 3.5) + 2

y = -4.8571428571

step-by-step explanation: