Emily baked 3 batches of 13 sugar cookies each. She ate 2 of the cookies and gave 10 of them to her neighbor. In return, her neighbor gave her half of a batch of a dozen chocolate chip cookies. How many cookies does Emily have?

33

Step-by-step explanation:

3*13=39

39-2-10=27

27+6=33

33 Cookies, your welcome.

Step-by-step explanation:13*3=39 then subtract 2 that's 37 then subtract 10 and that is 27 and finally you add half a dozen which is 6, so it makes 33. And that is your answer.

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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