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2 August, 16:17

Ms. Thompson's total monthly call phone bill "b" can be found using the equation b = 45.60 + 0.10t, where "t" represents the number of text messages she made. Find the number of text messages she made in a month in which the total charge was $56.70

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  1. 2 August, 16:28
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    Answer: she sent 111 text messages in that month.

    Step-by-step explanation:

    The equation representing Ms. Thompson's total monthly call phone bill "b" is expressed as

    b = 45.60 + 0.10t,

    Where

    "t" represents the number of text messages she made.

    Therefore, the number of text messages that she made in a month in which the total charge was $56.70 is

    56.7 = 45.60 + 0.10t

    0.1t = 56.7 - 45.6

    0.1t = 11.1

    t = 11.1/0.1 = 111
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