The following formulas give the fair F in dollar

The following formulas give the fair F in dollars that two buses bus company charge for trips of D miles

F=0.15d+12. Transcontinental F=5+0.20d intercity express In parts a through C use a graph to estimate the answer then find the answer by writing and solving an equation or inequality.

Question: The transcontinental how many miles is a trip that costs $99

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    ANSWER
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    **** ***** $99 so ******

    ***

    **** ***** ** *** ******* *** **************** and reaarange ** ***** for *** **

    =

    **** **** ***** =015d

    **

    * 015d

    ******

    =d 580 =d

    *********

    ****** **

    580

    *****

    Buy

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