Which of the following is always the result of dividing and integer by an integer when the divisor is nonzero?

It certainly would be helpful to have more information about the question at hand, because it depends if the numerator(The top number) is positive, negative or zero, the answer will respectively be positive, negative or zero.

Just to say that more information would be useful, this is all I can give you.

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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