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In a class of 35 pupils, 17 pupils wear glasses. What is the ratio of the

number of pupils who do not wear glasses to the number of pupils who
wear glasses?


Total number of students in the class = 35
number of students wearing glasses = 17
Therefore, number of students not wearing glasses = 35-17 = 18
There for the ratio is 18:17

that should help
please mark as best
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Pupils with glasses=17
pupils without glasses=35-17=18
therefore ratio must be 18:17
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