Finley makes 1 batch of her favorite shade of orange paint by mixing 555 liters of yellow paint with 3 liters of red paint.How many batches of orange paint can Finley make if she has 15 liters of red paint?

Lin needs 12.53 square feet of fabric

Step-by-step explanation:

we know that

The area of the window covering is equal to the area of the square plus the area of semicircle

step 1

Find the area of the square

The area of the square is equal to

where

b is the length side of the square

we have

substitute

step 2

Find the area of semicircle

The area of semicircle is equal to

The length side of the square is equal to the diameter of semicircle

so

----> the radius is half the diameter

assume

substitute

Adds the areas

therefore

Lin needs 12.53 square feet of fabric