43/21 decimal rounded to the nearest hundredth

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%.

Do you mind if you guys me with this question i’m on number 8

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?