Suppose Viviana sent 100 text messages to her friend. She plans to send an additional 10 text to her friend per period. How many periods will it take Viviana to send 200 text
messages?

20 More Periods

Step-by-step explanation:

Just Divide 200/10 and you get 20.

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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