José and his friends get on an elevator at the 17th floor. the elevator goes down 6 floors and elena steps off. then the elevator goes up 8 floors and ricky steps off. the elevator goes up 2 more floors and beck steps off. finally, the elevator goes down 7 floors and josé steps off. on which floor did josé step off the elevator?

mk./km: lm

step-by-step explanation:

,mlmlm

; mk

lk

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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