Respuesta :
30games=100% , so they won 70% that is mean :
100==>30
70 ==> x !!
so : x=(70*30)/100 = 21 , so they won in 21 games .
and 30-21=9games , so they lose 9 games .
100==>30
70 ==> x !!
so : x=(70*30)/100 = 21 , so they won in 21 games .
and 30-21=9games , so they lose 9 games .