1. 15 ÷ 62⁄3 = a. 1001⁄4 b. 100 c. 23⁄4 d. 21⁄4

15 divided by 6 2/3

change to an improper fraction

6 2/3 = (3*6 +2)/3 = 20/3

15 divided by 20/3

copy dot flip

15 * 3/20

45/20

divide top and bottom by 5

9 /4

2 with remainder 1

2 1/2

Choice D

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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