We have 12 pumpkin pies that need to be shared evenly between 16 people

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

Find the slope of a line given the following two points

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?