Respuesta :
Let Annette be x.
Will is 4 years older = x + 4
Total = 20
x + x + 4 = 20
2x + 4 = 20
2x = 40 - 4
2x = 16
x = 16/2
x = 8
Annette = x = 8, Will = x + 4 = 8 + 4 = 12
Therefore Will is 12 years old.
Will is 4 years older = x + 4
Total = 20
x + x + 4 = 20
2x + 4 = 20
2x = 40 - 4
2x = 16
x = 16/2
x = 8
Annette = x = 8, Will = x + 4 = 8 + 4 = 12
Therefore Will is 12 years old.