The ratio of the number of yellow circles to the number of white circles is 1 : 4. For each yellow circle there are 4 white circles. The ratio 3 : 12 is equivalent to 1 : 4 because for each yellow ...

A ratio compares two or more quantities by using parts of a whole. In this bracelet, there are 2 parts red compared to 3 parts blue. The ratio of red beads to blue beads is 2 : 3. This is said aloud ...