Respostas

2014-08-17T12:18:20-03:00
A) 310 620-----100%
X--------50%

B) 120. 480 -------- 100
X---------25

C) 230. 2300-----100%
X------10%

D) 240... 800-------100%
X--------30%
10 3 10
2014-08-17T12:18:57-03:00
A - R$310,00
B - R$120,00
C - R$230.00
D - R$240.00
10 3 10