SOLUTION: There are 30 buttons in a box 12 of the buttons are black The rest of the buttons are white. What is the ratio of the number of black buttons to the number of white buttons?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: There are 30 buttons in a box 12 of the buttons are black The rest of the buttons are white. What is the ratio of the number of black buttons to the number of white buttons?      Log On


   



Question 749472: There are 30 buttons in a box
12 of the buttons are black
The rest of the buttons are white.
What is the ratio of the number of black buttons to the number of white buttons?

Answer by lynnlo(4176) About Me  (Show Source):