Respuesta :
Answer:
The difference between 18 and 9
18 - 9 = 9
Divide 21 by the difference between 18 and 9
21 / (18 - 9)
21 / 9
7 / 3
Answer:
The difference between 18 and 9
18 - 9 = 9
Divide 21 by the difference between 18 and 9
21 / (18 - 9)
21 / 9
7 / 3