Answer:
80x-460=300
80x=760
Step-by-step explanation:
In order to know which equation is best, you have to add the total expenses the robotics club had.
Expenses:
Let's add: $400 + $60 = $460
Next, you have to know how many of the shirts were purchased.
Now, let's compute.
or
This means that the robotics club has to sell the shirts at $9.5 each in order to have a $300 profit.