Answer:
The total cost is $850
Step-by-step explanation:
From the function
C = 2T + 250
where
T is the number of T-shirts they purchase.
If the the shop purchases 300 T-shirts, then it means
T = 300
substituting into the function, we have
C = 2(300) + 250
C = 600 + 250
c = $850