Question

In a class, there are 45% girls. Find the ratio of boys to girls.
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Answer 1

Answer:

• In the class, the total number of students should be known.
• In the class, the total number of students should be known.There are 45 boys and 30 girls, hence the total number of students is 75.
• In the class, the total number of students should be known.There are 45 boys and 30 girls, hence the total number of students is 75.In order to know the percentage of girls in this class, the number of girls has to be divided by the total number of students and expressed as a percentage, that is multiplying it by 100%
• In the class, the total number of students should be known.There are 45 boys and 30 girls, hence the total number of students is 75.In order to know the percentage of girls in this class, the number of girls has to be divided by the total number of students and expressed as a percentage, that is multiplying it by 100%The percentage of girls in the class is
• In the class, the total number of students should be known.There are 45 boys and 30 girls, hence the total number of students is 75.In order to know the percentage of girls in this class, the number of girls has to be divided by the total number of students and expressed as a percentage, that is multiplying it by 100%The percentage of girls in the class is(Number of girls/Total number of students) x 100%
• In the class, the total number of students should be known.There are 45 boys and 30 girls, hence the total number of students is 75.In order to know the percentage of girls in this class, the number of girls has to be divided by the total number of students and expressed as a percentage, that is multiplying it by 100%The percentage of girls in the class is(Number of girls/Total number of students) x 100%(30/75)x 100%
• In the class, the total number of students should be known.There are 45 boys and 30 girls, hence the total number of students is 75.In order to know the percentage of girls in this class, the number of girls has to be divided by the total number of students and expressed as a percentage, that is multiplying it by 100%The percentage of girls in the class is(Number of girls/Total number of students) x 100%(30/75)x 100%30/75 = 0.4
• In the class, the total number of students should be known.There are 45 boys and 30 girls, hence the total number of students is 75.In order to know the percentage of girls in this class, the number of girls has to be divided by the total number of students and expressed as a percentage, that is multiplying it by 100%The percentage of girls in the class is(Number of girls/Total number of students) x 100%(30/75)x 100%30/75 = 0.40.4 x 100%
• In the class, the total number of students should be known.There are 45 boys and 30 girls, hence the total number of students is 75.In order to know the percentage of girls in this class, the number of girls has to be divided by the total number of students and expressed as a percentage, that is multiplying it by 100%The percentage of girls in the class is(Number of girls/Total number of students) x 100%(30/75)x 100%30/75 = 0.40.4 x 100%40%

Answer 2

Answer:

total student=100

girls=45

boys=55

ratio=45/55

answer=9/11

9:11

Step-by-step explanation:

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