Isabel owns a T-shirt cart and has a contract with a local sports arena to distribute T-shirts outside the venue. Isabel is paid a flat rate of
$255 and a variable rate per T-shirt. The following table represents the total amount of money isabel makes. Let & denote the
number of T-shirts that Isabel sells and let y denote the amount of money that Isabel makes. What is the estimated amount of money
that Isabel makes if she sells six T-shirts?
T-shirts
0
1
2
3
4
Money
$255 $270 $289 $312 $339