(A) The area that lies between Z= -0.73 and Z = 0.73 is (B) The area that lies between Z= -2.24 and Z= 0 is
(C) The area that lies between Z= -0.46 and Z= 0.48 is

Problem number 26 of the rhind papyrus says: find a quantity such that when it is added to of itself the result is a 15. the modern day equation that models this problem is x + x = 15. what is the solution to the equation? x = 10 x = 12 x = 15 x = 30