What is the ratio of black keys to white keys?

What is Simple interest is computed on? When did Douglas H. Ring die? Does the guinea hen have a wattle? WHAT degree C EQUALS 430 degree F? What actors and actresses appeared in Wok on the Wild Side - 2002? Which Country that borders Somalia starts with a d? Does Clemson or LSU have the original Death Valley? Heaviest human body part? How many kids does Jayceon Taylor aka the game have? What is the decimal and percent for 3 out of 8? What happens when you add ammonium with sodium Hydroxide? What can happen when your feet are wet for too long? How do you increase the mechanical advantage of third class lever? Who sings the song in Special Victims Unit advert on universal channel you know the song is Gimme shelter - originally rolling Stones but who sings this version? Does a hermit crab smell bad when molting? When you first get to 1 island how do you get back to Kanto? Compare and contrast abrasion and deflation? When the Typhoon Morakot was named where was it? Explain the advantages and disadvantages of repeaters? What will the circumference be if the radius is 8.2?