Respuesta :

Step-by-step explanation:

T = (100 × I) / (P × R)

= (100 × 800) / (9000 × 6)

= 80000 / 54000

=1.48 years

In months;

1.48 × 12 = 17.76 months

= 18 months

Answer:

18

Step-by-step explanation: