I need help with this question. The question is below.

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%.

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15