Q: If 12 students go to bed at 9pm and the rest go to bed after 9pm which ratio represents the number of students who go to bed after 9pm to the total number of students?

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It is 8 : 26.

45

1 to 2 = 5 to 10 so 15 students in all.

number of boys = ratio of boys x total strength / total ratio = 5 x 27/9 = 5 x 3 = 15 number of girls = ratio of girls x total strength / total ratio = 4 x 27/9 = 4 x 3 = 12 verification: 15 + 12 = 27

“What is the student enrollment (in the total number of students)?”

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If the total number of people is T, then there are 19*T/20 students.

total number of students are 25 so givin boys number is 12 that way ratio of girls 13/25

It is 8 : 26.

45

1 to 2 = 5 to 10 so 15 students in all.

number of boys = ratio of boys x total strength / total ratio = 5 x 27/9 = 5 x 3 = 15 number of girls = ratio of girls x total strength / total ratio = 4 x 27/9 = 4 x 3 = 12 verification: 15 + 12 = 27

“What is the student enrollment (in the total number of students)?”

18 boys and 12 girls

Fact: 90 students ate hot dogs Let Y be the number of students who DID not eat hot dogs (which is the unknown) Let Z be the total number of students in the universe (which is another unknown). Thus the ratio to ninety students who at hot dogs to ones that did not is generally provided by the following: z = 90 + y Thus 90+y:90 The answer is 90+Y to 90 Emre O

9 divided by 3/8 = 24

If the ratio of girls to boys is 5:4, then out of the total of 108 students, 5/9 are girls and 4/9 are boys. Therefore, the number of girls is 108 x (5/9) = 60.