12. Each gram
of a mandarin orange has 0.26 mg of vitamin C and
0.13
of vitamin A. Each
gram of a tomato has 0.13 mg of vitamin C
and 0.42 mg of vitamin A. How many grams of mandarin oranges and
tomatoes have 13 mg of vitamin C and 20.7 mg of vitamin A?
mg

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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