Question

Represent the following scenario in the form of an equation.

The number of boys in a class is 12. The total number of students in the class is twice the number of boys plus 7. Assume the number of girls in the class to be g.​

Answer 1

Step-by-step explanation:

total number of students = number of boys + number of girls

number of boys = 12

number of girls = g

total number of students = 12+g

According to the question

12+g = 2(12) + 7

12+g = 24+7 = 31

g= 31-12 = 19

g=19

Answer 2

                                                                                                                       

no. of boys in the class = 12

number of students in the class is twice the number of boys plus 7.

then,

the number of student = $2*12+7$

the number of student = $24$

so,

the number of girls = student - boys

the number of girls $=31-12$

the number of girls$=19$

                                                                                                                                     

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