Asmall company's net income for the first six months of the year was 76,500 and for the last six months it was $100,000. what is the ratio?

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