What is 4x+5 (less than or equal to sign ) 15 equal to

The answer to your question is x≤2.5.

Start off by subtracting 5 from both sides of the equation to isolate the variable.

4x+5≤15

-5 -5

4x≤10

Then, divide 4 on both sides.

4x≤10

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4 4

x≤2.5

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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