Respostas

2014-02-14T01:41:05-02:00
75%são 21 bombons e restaram 7
2014-02-14T12:47:53-02:00
28 =100%
x = 75%
regra de tres simples
100x =2100
210/10=21
re= vc ja comeu 21e ainda restam 7 bombons.