Respostas

2013-09-27T00:17:20-03:00
Olá.
(750+500=1250)

750 = 750 = 25
1250 = 750 = x

25 = 750  = 750
x      1250    750

25 = 1250 = 750
x        750    750

25 = 937500
x      562500

937500x = 14062500

x = 14062500 / 937500

x = 15 dias 
1 5 1