Ms. Granholm wants to take the 6th grade on a field trip. She wants to get t-shirts made for everyone. One company makes them for $5.75 per shirt. a.) Make a table and a graph to show the number of shirts and costs.

b.) State the independent and dependent variables.

c.) Write an equation that represents how to determine the costs for any number of t-shirts.

d.) How many shirts did they buy if their total cost is $575. Explain.