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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**** ***** $99 so ******
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**** ***** ** *** ******* *** **************** and reaarange ** ***** for *** **
=
**** **** ***** =015d
**
* 015d
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=d 580 =d
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****** **
580
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