Ratio

A ratio is a comparison between similar quantities, hence it is absolutely necessary to convert quantities to the same units, currency etc. before expressing them as a ratio. A ratio can be expressed as a fraction, , or in the form n : d, where, : means to.

Example

In a class of 50 students, students play either football or basketball. 24 students play football. Find the ratio of:

(i)                  football players : total number of students

(ii)                football players : basketball players.

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