If 2 eggs with bacon cost 2.70, and 1 egg with bacon costs 1.80, that means that 1 egg costs 0.90, so when we subtract once more 0.90 we get the price of the bacon alone, which is in this case 0.90.
A) 0 represents the surface of the pool. B) The height of the pool is 10 above the pool surface C) It should be -3 since it is going down so it is going to be a negative number and it is also below the pool's surface.
