Pizzas are circles. Area of circles is (pi)r^2.
Then find the cost per in.^2
Smallest cost per in.^2 is better buy.
Answer:
The surface area of a solid object is a measure of the total area that the surface of the object occupies.
Ilya ratio = 7
Dan's ratio= 5
total ratio = 7+5=12
ilya share of hats =
dans share of hats =
so ilya has 60 more hats than Dan
6b<42
b<7
4b+12>8
4b>-4
b>-1
b>-1 or b<7