A carpenter bought 540 board feet of pine, 854 board feet of oak, and 58 board feet of birch lumber. How many board feet did she buy in all?

The right answer is, 1452 tables in total

Step-by-step explanation:

As:

540 + 854 + 58 = 1452

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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