The Charlotte Motor Speedway determines their pricing as follows:
r(x)=200[(x-90)]+k
Note tha...
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Mathematics, 10.02.2021 06:30 s913823
The Charlotte Motor Speedway determines their pricing as follows:
r(x)=200[
(x-90)]+k
Note that x represents the number of minutes on the track and that r(x) represents the total price in dollars.
Cole Trickle and Rowdy Burns are drivers that have rented the track.
- Cole's team spent $1000 for the time that he drove.
- Rowdy's team spent $800 for the 70 minutes that he drove.
If Cole and Rowdy had been able to combine their minute's total, they would have only paid a total of $1400.
What is the range of minutes (x) that Cole could have driven at the racetrack?
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