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    candycane

    I Need Some Help With This One, Can You Help?

    The equation C=mx+b can be used to model the monthly cost, C, of a cell phone plan where b is the flat monthly cost, m represents the cost in dollars per minute and x is the number of minutes used in the month. Choose a flat monthly rate and cost per minute and insert the values you have chosen for m and b into the equation. Then use this equation to find the total monthly cost, C, if 68 minutes are used.

    asked 9 months ago

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    Felicity_X

    If b=$10 and cost per minute is $0.10, then the usage cost = $0.10 x 68 = $6.80, to which you add the flat monthly rate (b) of $10, giving you a total of $16.80.

    Mx + b=C
    $0.10x68 + $10 = $16.80

    answered 9 months ago   

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