The ratio of students who wear glasses to the total class is 2 : 5.
If there are 15 students who don’t wear glasses, how many students are in the class?
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Answer:
25
Step-by-step explanation:
ratio = 2/5
it means 2x students wear glasses out of 5x students
3x students don't wear glasses
= 3x= 15
x= 5
no of students= 5x = 25
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