There are 54 students in the cafeteria 30 girl sand 24 boys what is the ratio of girls to boys in cafeteria
a) 5 : 6
b) 4 : 5
c) 5 : 4

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