13. In 1987. 34.7 million households owned a dog, and 27.7 million 14.1
owned a cat. Since then, dog ownership has decreased by 0.025 0
million households per year, and cat ownership has increased by i
0.375 million households per year. How many years, y, will it b
take for them to be equal?

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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thus, the first answer choice, y = sec x, is the correct one

you could deduce the conclusion directly using the facts pertaining to the specific situation.

hope this .