Simplify the following expression by expanding the and collecting like terms -2 (-8x minus 4) + 3

11

Step-by-step explanation:

-2x-8= 16

-2x-4=8

16-8= 8

8+3= 11

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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