Odpowiedź :
TUZIN-12 = 20% kopy , 80 % mendla
KOPA-60
MENDEL-15 = 25 % kopy, 125% tuzina
1. 15-100%
12-x
x=1200/15=80%
60-100%
12-x
x=1200/60=20%
2.
60-100%
15-x
x=1500/60=25%
12-100%
15-x
x=1500/12=125%
12-x
x=1200/15=80%
60-100%
12-x
x=1200/60=20%
2.
60-100%
15-x
x=1500/60=25%
12-100%
15-x
x=1500/12=125%