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6 July, 02:58

Leslie just switched to a new phone plan. Her old phone plan was $10 plus 10 cents per gigabyte of data overage. Her new plan is $12 plus 8 cents per gigabyte of data overage. Leslie claims that she is going to pay less on her new plan because she always goes over her data limit. Her data overage was 14 gigabytes. Is Leslie's claim true?

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  1. 6 July, 04:37
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    Y=10x + 10

    Y = 8x + 12

    Now just plug in 14 for x into both equations.

    Y = 10 (14) + 10 : 150

    Y = 8 (14) + 12 : 124

    Yes Leslie’s claim is true
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