rockyp2 rockyp2
  • 25-01-2017
  • Mathematics
contestada

there are 124 students in the band. there are 12 more boys than girls in the band. how many boys and how many girls are in the band.

Respuesta :

bcalle
bcalle bcalle
  • 25-01-2017
b = g + 12
g + b = 124
Replace the b in the second equation with
g+ 12

g+ g+12=124
2g + 12 = 124
Subtract 12 from both sides
2g = 112
Divide by 2
g = 56

b= 56 + 12
b= 68
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