Respostas

2013-11-13T22:10:15-02:00
1/2+1/3+5=x
3/6+2/6+30/6=x
3+2+30=x
35=x

17,5+11,66+5= 34,16 ( Aproximadamente 35 doces)

Logo a Lorena comeu 11 doces e meio.
1 1 1
2013-11-13T22:15:15-02:00
X = quantidade de doces
Júlia comeu X/2 doces
Lorena comeu X/3 doces
Alessandra comeu 5 doces

X = X/2 + X/3 + 5
6X/6 = 3X/6 + 2X/6 + 30/6
6X = 5X + 30
6X - 5X = 30
X = 30

Lorena comeu 30/3 = 10 doces
1 1 1