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 scale drawing of a bridge has the same shape as the real bridge that it represents but a different size. Scale drawings close scale drawingAn accurate drawing, or model, of a representation of a ...