The student council at baruch is sponsoring a t-shirt sale. they plan to take orders in advance so they
know how many t-shirts to have printed. they have made the following estimates of expenses and
income for their sale:
• expense of $350 for advertising plus $210 for using the printing press
• expense of $4 for each t-shirt
• income of $10 for each t-shirt
income of $200 from a local business in exchange for printing the business's
logo on the back the t-shirts.
how many t-shirts must the student council sell to break even?