Respuesta :
A) a + b = 1.60
B) 3a = b
B) 3a -b = 0
A) a + b = 1.60
4a = 1.60
apple costs .40
banana costs 1.20
B) 3a = b
B) 3a -b = 0
A) a + b = 1.60
4a = 1.60
apple costs .40
banana costs 1.20