The ratio of yellow costumes to blue costumes is 1 : 3.
Ratio is used to show the relationship that exists between two numbers. It is the number of times that one value is contained in another value. The sign used to represent ratios is :
Number of yellow costumes : number of blue costumes = 8 : 24. The ratio should be in its simplest form. in order to do this, divide both numbers by 8. The ratio becomes 1 : 3.
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