Respuestas

2013-05-20T01:12:24+02:00
Pedro= 3/5 Manuel
marlene= 3/2 Manuel
Manuel= x
3x/5+3x/2+x=62
6x/10+15x/10+10x/10= 62
31x/10=62
31x=620
x=620/31
x=20
pedro= 3(20)/5 =60/5= 12
marlene= 3(20)/2= 60/2 = 30
mauel= 20