IMathAS-libretexts

\displaystyle \${350}

per person, an airline anticipates selling

\displaystyle {250}

tickets for a particular flight. At

\displaystyle \${400}

per person, the airline anticipates selling

\displaystyle {100}

tickets for the same flight.

Assume a linear relation between the cost per ticket

\displaystyle {C}

and the number of tickets,

\displaystyle {x}

sold. Which of the following equations can be used to model the given information?

$\displaystyle {C}=$ $\displaystyle -\frac{{2}}{{3}}$ $\displaystyle {x}$ +438.33333333333
$\displaystyle {C}=$ $\displaystyle -\frac{{2}}{{3}}$ $\displaystyle {x}$ +433.33333333333
$\displaystyle {C}=$ $\displaystyle -\frac{{1}}{{3}}$ $\displaystyle {x}$ +438.33333333333
$\displaystyle {C}=$ $\displaystyle -\frac{{1}}{{3}}$ $\displaystyle {x}$ +433.33333333333