Question
There is a total of 960 pupils in a school. 120 of them like purple. There are 33 more pupils who like yellow than purple. Some pupils like red.15 of the pupils like black. Find the ratio of the number of pupils who like black to those who like red.
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There is a total of 960 pupils in a school. 120 of them like purple. There are 33 more pupils who like yellow than purple. Some pupils like red.15 of the pupils like black. Find the ratio of the number of pupils who like black to those who like red.