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20 March, 22:57

A cell phone company charges a flat Rate of 4.75 per month with an additional charge. 19 per minute. How many minutes did alexandra talk on her cell phone if your monthly bill was 27.55

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  1. 20 March, 23:08
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    Answer:The number of minutes that Alexandra talked on her cell phone is 120

    Step-by-step explanation:

    A cell phone company charges a flat rate of 4.75 per month with an additional charge 0.19 per minute. Assuming the total number of minutes of call made for the month is represented by x and the total cost of x minutes of call is y, then

    y = 0.19x + 4.75

    To determine how many minutes that Alexandra talked on her cell phone if his monthly bill was 27.55, we would substitute y = 27.55 into the equation. It becomes

    27.55 = 0.19x + 4.75

    0.19x = 27.55 - 4.75 = 22.8

    x = 22.8/0.19 = 120 minutes.
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