A recipe that serves two people calls for 1/2 cup of flour. How much flour will the cook need to serve eight people? A.1 1/2 cups B. 2 cups C. 1 cup D. 4 cups

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