The maximum point will be the point which gives the largest f(x,y) value. The "y" is subtracted and being multiplied by 2 so very small y-value, large x is point (5,0).
Answer:
140r2
Step-by-step explanation:
He will use more tiles because 1/3 is smaller than 1/2 and the smaller the tiles the more you need to fill the place up.
C=(3.14)(15)
you multiply and get 47.1