There are 20 boys in a class and the ratio of the number of boys to the total number of students is 1 : 3. Find the ratio of the number of girls to the total number of students.
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Answer:
2 : 3
Step-by-step explanation:
20:60 is the ratio of number of boys to the total number of student .
therefore , 40 : 60 is the ratio of the number of girls to the total no of students
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