Find the percent of markup. round to the nearest tenth. $31.00 to $35.00
a. 12.9%
b.11.4%
c.4.0%
d.16.1%

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