I need help fast please help

3. solve the given inequality and graph the solution on a number line.

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%.

Select the quadratic that has root x = 8 and x = -5