Respuesta :
Answer:
28 girls.
Step-by-step explanation:
b - number of boys
g - number of girls
b = 2*g
b + g = 84
2*g + g = 84
3*g = 84
g = 84/3 = 28
And just in case:
b = 2*g = 2*28 = 56
b + g = 28 + 56 = 84; the answer checks out ;)
Answer:
28
Step-by-step explanation:
Let the number of girls be x .
number of boys = 2x
Number of students in class =84
A/q,
2x +x = 84
3x =84
x= 84/3
x= 28
So number of girls in class is 28
please give brainliest thank you