Scott received $88.50 from a customer whoservice meal bill was $75. what percent tip did scott receive?

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)

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