B(w) = 12; Katy will have read 12 books after w weeks b(2) = 10; the number of books that Katy will have read in 2 weeks is 10 b(3) = f; the number of books that Katy will have read after 3 weeks is f Remember w is just number of weeks!!
<span>The area of the square is d^2. The area of the circle sandbox is πr^2=πd^2/4. So the area of play area only is equal to square area minus circle area which is d^2-πd^2/4.</span>
