Solve the following equation for x: 5x + 3y = 15.

a. x = negative three fifthsy − 3
b. x = negative three fifthsy + 3
c. x = three fifthsy + 3
d. x = three fifthsy − 3

B

Step-by-step explanation:

5x + 3y = 15

5x = -3y +15

x = -3/5y +3

The correct option is B) x = negative three fifths y + 3

Step-by-step explanation:

Consider the provided equation.

5x + 3y = 15

We need to solve the above equation for x.

Subtract both the side by 3y.

To find the value of y, isolate the variable y:

Divide both the sides by 5.

Hence, the correct option is B) x = negative three fifths y + 3

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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